{"@context":"https://schema.org","@type":"Product","name":"21 Keystone RVs for sale","offers":{"@type":"AggregateOffer","offerCount":21,"lowPrice":"7895.00","highPrice":"74997.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-coleman-17b/88f01e6b-2f27-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE COLEMAN 17B","description":"2025 Keystone RV Coleman 17B,

Keystone Coleman travel trailer 17B Highlights

Bunk Beds
Private Toilet & Shower
Queen Bed
Pass-Through Storage

Start your next adventure with confidence in this Used 2025 Keystone RV Coleman 17B, a compact and family-friendly travel trailer built for easy towing, simple setup, and unforgettable camping experiences. Whether you re heading out for a quick weekend getaway or planning a cross-country road trip, this Coleman 17B delivers comfort, practicality, and value in a lightweight package that s perfect for first-time RVers and seasoned travelers alike.

Step inside and you ll find a smartly designed interior that makes the most of every inch. The bunkhouse layout provides dedicated sleeping space for kids or guests, while the main bed offers a comfortable place to recharge after a day of adventure. The dinette creates a cozy spot for meals, games, or planning your next destination, and easily converts into additional sleeping space when needed. The kitchen is equipped for convenient meal prep, and the efficient layout keeps everything within easy reach.

Designed with ease of use in mind, the Coleman 17B is simple to tow, quick to set up, and built to help you spend less time worrying and more time enjoying the outdoors.

Reasons to Buy the 2025 Keystone RV Coleman 17B Ultra-lightweight design ideal for towing with many SUVs and light trucks Family-friendly bunkhouse layout perfect for kids or extra guests Comfortable main sleeping area for restful nights on the road Convertible dinette for dining, relaxing, or additional sleeping space Efficient kitchen setup with everything you need for meals on the go Compact size for easy maneuverability in campgrounds and on the road Ample storage options for camping gear and travel essentials Quick and easy setup so you can start enjoying your trip faster Durable construction designed for long-lasting use Excellent value in a nearly new model with modern features ","itemCondition":"Used","priceCurrency":"USD","price":"12550.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-bullet-336bbk/b2b29b78-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE BULLET 336BBK","description":"2025 Keystone RV Bullet 336BBK,

Keystone Bullet travel trailer 336BBK Highlights

Rear Kitchen with Balcony
Double Slides
King Bed
L-Shaped Sectional Sofa

The 2025 Keystone RV Bullet 336BBK is a standout travel trailer that brings family-friendly design, modern amenities, and effortless towability together in one impressive ride. Built with Keystone s reputation for quality and innovation, this model delivers exceptional living space, smart storage solutions, and a floorplan designed to keep everyone comfortable and connected on the road. Whether you re planning weekend excursions, extended road trips, or seasonal adventures at your favorite campground, the Bullet 336BBK lets you experience the freedom of travel without sacrificing home-like convenience.

Step inside and you ll discover a bright, open interior that s ideal for both everyday living and memorable vacations. The rear bunkhouse provides dedicated sleeping space for kids or guests, with dual bunks and flexible room that can adapt to the whole family s needs. The central living area features a comfortable sofa and a large dinette where you can enjoy meals, play games, or relax after a day of exploring.

The well-equipped kitchen includes a three-burner cooktop, microwave, residential-style refrigerator, sink, and generous counter space giving you everything you need to prepare breakfast before hiking or dinner after a sunset adventure. Large windows throughout flood the interior with natural light and allow you to take in scenic views from inside your travel trailer.

The private front bedroom offers a peaceful retreat with a queen-size bed and wardrobe storage, making it easy to get a restful night s sleep wherever your journey takes you. The bathroom includes a convenient shower and practical layout, ensuring daily routines are simple and stress-free. Thoughtful storage solutions both inside and out help keep gear organized, while features like exterior pass-through storage and a power awning expand your living and adventure space when the sun is out.

Reasons to Buy the 2025 Keystone RV Bullet 336BBK

Family-friendly rear bunkhouse with multiple sleeping options Spacious interior with comfortable sofa and large dinette for meals and gatherings Fully equipped kitchen with three-burner cooktop, microwave, and residential-style refrigerator Private front bedroom with queen-size bed and ample wardrobe storage Bathroom with shower and practical layout for everyday use Large panoramic windows for natural light and scenic views Power awning and exterior pass-through storage for gear and outdoor living Smart storage solutions throughout for convenience and organization ","itemCondition":"Used","priceCurrency":"USD","price":"39977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-bullet-290bhs/a4324961-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE BULLET 290BHS","description":"2025 Keystone RV Bullet Crossfire 290BHS,

Keystone Bullet Crossfire travel trailer 290BHS Highlights

Large Slide Out
Dual Entry Doors
Walk-Around Queen Bed
Double-Size Bunks

The New 2025 Keystone RV Bullet Crossfire 290BHS is built for adventure-seekers and family travelers who want the perfect mix of comfort, space, and modern amenities in a lightweight travel trailer. Designed with smart features, durable construction, and a family-friendly bunkhouse layout, this model makes every getaway more enjoyable whether you re headed to your favorite campground, exploring national parks, or discovering scenic routes across the country.

With a well-balanced footprint that s easy to tow and a thoughtfully crafted interior, the Bullet Crossfire 290BHS feels roomy and inviting from the moment you step inside. The rear bunkhouse provides dedicated sleeping and storage for kids or guests, while the central living area and kitchen offer the perfect space to relax, cook, and spend quality time together. The front private bedroom gives adults a cozy retreat after long days of adventure.

Built with Keystone s proven engineering and quality materials, this travel trailer stands up to miles of travel while delivering a comfortable, modern camping experience.

Reasons to Buy the 2025 Keystone Bullet Crossfire 290BHS Family-friendly bunkhouse floorplan with double rear bunks perfect for kids, guests, or extra storage

Private front queen bedroom with comfortable sleeping space and wardrobe storage

Spacious living area with slide-out for added interior room and comfortable seating

Fully equipped kitchen featuring a three-burner cooktop, microwave, deep sink, and large refrigerator

Panoramic windows letting natural light fill the interior and providing scenic campground views

Well-designed bathroom with shower, vanity, and practical storage for toiletries

Lightweight and towable design compatible with many half-ton trucks and SUVs

Power stabilizer jacks and power tongue jack for quick, easy campsite setup

Dexter torsion axle suspension with Goodyear Endurance tires for smoother, more confident towing

Exterior power awning with LED lighting creating an inviting outdoor living space

Ample interior and exterior storage for camping gear, outdoor equipment, and personal items

Durable roof and rugged construction designed to handle years of travel

Great freshwater and utility capacities for extended camping without frequent hookups

","itemCondition":"Used","priceCurrency":"USD","price":"25977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2007-keystone-montana-3475rl/a146b7f7-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2007 KEYSTONE MONTANA 3475RL","description":"2007 Keystone RV Montana 3475RLS, Rediscover the joys of the open road with this Used 2007 Keystone RV Montana 3475RLS, a beloved fifth wheel model known for its spacious layout, thoughtful design, and comfort-focused features. Built to deliver home-like living and outdoor adventure in one place, this Montana 3475RLS is ideal for weekend escapes, seasonal camping, or extended trips with family and friends. With room to spread out, smart storage solutions, and a floorplan built for comfort, this classic RV continues to be a favorite among seasoned RVers and newcomers alike.

Step inside and you ll be greeted by an inviting interior that makes long days on the road feel like relaxation. The rear living area creates a cozy space for conversation or watching movies, while the kitchen offers plenty of room for meal prep and storage. A private master suite provides a comfortable retreat at the end of the day, and the full bath adds convenience for all occupants. Designed with quality construction and timeless features, this 2007 Montana 3475RLS delivers a reliable and enjoyable RV experience.

Reasons to Buy the 2007 Keystone RV Montana 3475RLS Spacious floorplan with comfortable living area ideal for relaxation and time together Well-equipped kitchen with practical storage and workspace for meal preparation Cozy rear living space perfect for lounging, reading, or entertainment Private master suite with dedicated sleeping area for restful nights Full bathroom for everyday convenience and comfort while traveling Abundant storage inside and out to keep gear organized on every trip Durable construction and quality design backed by Keystone s reputation Perfect choice for families, couples, or groups looking for comfort and space Classic Fifth Wheel layout with timeless functional design Great value in a pre-owned RV with features built for lasting enjoyment ","itemCondition":"Used","priceCurrency":"USD","price":"7895.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-reign-15rb/57db221b-fe77-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE REIGN 15RB","description":"2026 Keystone RV Reign 15RB,

Keystone Reign travel trailer 15RB Highlight

Front Murphy Bed
Booth Dinette
Single Axle
11' Power Awning

Adventure just got a whole lot easier with the New 2026 Keystone Reign 15RB a compact travel trailer designed for those who want simplicity, comfort, and the freedom to explore without limits. Perfect for couples, solo travelers, or first-time RV owners, this lightweight model is easy to tow and quick to set up, making it ideal for spontaneous weekend getaways or cross-country road trips. Despite its smaller footprint, the 15RB delivers a smart, efficient layout that maximizes every inch of space.

Inside, you ll find a surprisingly open interior with a functional kitchen, comfortable sleeping area, and a rear bath that provides the essentials you need on the road. Thoughtful storage solutions help keep your gear organized, while modern finishes create a clean, inviting atmosphere. Built with Keystone s focus on durability and practicality, the Reign 15RB is ready for real-world camping whether you re staying at a campground or venturing off the beaten path.

Reasons to Buy the 2026 Keystone Reign 15RB

Lightweight and ultra-easy to tow with a wide range of vehicles Compact size makes it ideal for beginners or minimalist travelers Efficient floorplan maximizes space without feeling cramped Rear bathroom provides convenience and privacy Functional kitchen for cooking meals on the go Comfortable sleeping area perfect for couples or solo trips Quick and easy setup so you can spend more time enjoying your trip Smart storage solutions for gear and essentials Durable construction built for long-term use Great value for an affordable, feature-packed travel trailer Perfect for weekend getaways, national parks, and road trips Low maintenance and easy to maneuver in tight campsites ","itemCondition":"Used","priceCurrency":"USD","price":"0.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-reign-19rk/efdfb34c-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE REIGN 19RK","description":"2026 Keystone RV Reign 19RK,

Keystone Reign travel trailer 19RK Highlights

Walk Thru Bathroom
Front Bedroom
Single Axle
13' Power Awning
Rear Kitchen

The 2026 Keystone RV Reign 19RK is a lightweight, easy-to-tow travel trailer designed for adventurers who want comfort, style, and functionality in a compact package. Perfect for couples, solo travelers, or weekend explorers, this travel trailer offers a smart rear-kitchen layout, efficient living space, and modern amenities without sacrificing mobility. Its durable construction and thoughtful design make it ideal for road trips, camping excursions, and seasonal getaways.

Inside, the Reign 19RK features a bright and welcoming interior with panoramic rear windows that bring in natural light and scenic views. The kitchen is fully equipped with a refrigerator, microwave, two-burner cooktop, and ample counter space, making meal prep easy and enjoyable. The dinette converts into extra sleeping space, and a dedicated bed ensures restful nights. An efficiently designed bathroom with shower and toilet keeps your travels comfortable and convenient, while clever storage solutions keep gear and essentials organized.

Outside, the power awning creates extra outdoor living space for dining, relaxing, or enjoying the great outdoors. Compact, maneuverable, and packed with features, the Reign 19RK delivers a perfect blend of comfort and adventure readiness.

Reasons to Buy the 2026 Keystone RV Reign 19RK Lightweight design for easy towing with SUVs and light-duty trucks Rear kitchen layout with panoramic windows and functional design Fully equipped kitchen with refrigerator, microwave, and cooktop Convertible dinette for dining, lounging, or additional sleeping space Dedicated sleeping area for comfortable nights Efficient bathroom with shower and toilet Smart storage solutions throughout the interior Power awning for expanded outdoor living ","itemCondition":"Used","priceCurrency":"USD","price":"29993.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-reign-19rk/ef802867-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE REIGN 19RK","description":"2026 Keystone RV Reign 19RK,

Keystone Reign travel trailer 19RK Highlights

Walk Thru Bathroom
Front Bedroom
Single Axle
13' Power Awning
Rear Kitchen

The 2026 Keystone RV Reign 19RK is a lightweight, easy-to-tow travel trailer that delivers big comfort and smart design in a sleek, compact package. Built for couples, solo travelers, and weekend explorers, this model proves you don t need a large trailer to enjoy a fully featured RV experience. With its thoughtful floorplan, modern amenities, and durable Keystone construction, the Reign 19RK is perfect for weekend getaways, scenic road trips, and seasonal camping at your favorite destinations.

Step inside and you ll find a bright, inviting interior built for everyday comfort on the road. The rear kitchen (RK) layout places the cooking space at the back where panoramic windows bring in natural light and let you enjoy views while you prep meals. The kitchen is equipped with a refrigerator, microwave, two-burner cooktop, and generous counter space everything you need to make breakfast before hiking or dinner after a day of exploring. A convertible dinette provides a comfortable spot for eating and relaxing, and easily transforms into extra sleeping space when needed.

The sleeping area features a dedicated bed that offers restful nights after a day of adventure. Storage solutions throughout the interior including overhead cabinets, wardrobe space, and smart cubbies help keep clothing, gear, and essentials organized. The bathroom includes a shower and toilet in an efficient layout that allows for convenient daily routines, even on longer trips. Durable finishes and thoughtful touches create an interior that s both stylish and practical.

On the outside, the Reign 19RK includes a power awning that expands your outdoor living space, perfect for dining al fresco, relaxing with a book, or enjoying views of your surroundings. With its compact footprint and versatile features, this travel trailer makes every stop feel like home.

Reasons to Buy the 2026 Keystone RV Reign 19RK

Lightweight and easy to tow with SUVs and light-duty trucks Rear kitchen design with panoramic windows and ample counter space Fully equipped kitchen including refrigerator, microwave, and cooktop Convertible interior seating for dining, relaxing, or sleeping Comfortable dedicated sleeping area with smart storage solutions Efficient bathroom with shower and toilet for everyday convenience Power awning to expand outdoor living and shade Durable finishes and smart layout for practical, comfortable travel ","itemCondition":"Used","priceCurrency":"USD","price":"29993.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-avalanche-edition-380lt/a69cb149-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE AVALANCHE EDITION 380LT","description":"2025 Keystone RV Avalanche 380LT,

Keystone Alpine Avalanche Edition fifth wheel 380LT Highlights

Outdoor Kitchen
Hide-a-Bed Sofa
Bath and a Half
Middle Kitchen
18 Cu. Ft. Residential Refrigerator

The 2025 Keystone RV Avalanche 380LT is a high-end fifth wheel designed for RVers who want residential comfort, thoughtful design, and adventure-ready performance in one spacious and stylish coach. Built with premium materials and quality construction, the Avalanche 380LT offers an expansive interior layout that feels like a luxury home on wheels. From scenic cross-country journeys to long-term seasonal stays, this model is engineered to elevate every travel experience with practical features and upscale finishes.

Step inside and you ll be greeted by a bright, open floorplan created for everyday living and easy entertaining. The rear living area features plush seating, a premium entertainment center, and panoramic windows that bring the outdoors in and create an inviting space for relaxation or family movie nights. The center gourmet kitchen is designed for real meal prep on the road, with a large island boasting solid surface countertops, a residential-size refrigerator, a three-burner cooktop with oven, a convection microwave, and abundant pantry and cabinet storage. Whether you re cooking breakfast for early hikers or preparing dinner after a day of outdoor fun, this kitchen delivers both style and function.

The private front bedroom suite offers a restful retreat with a comfortable king-size bed, dual wardrobes, and generous storage for clothing and personal essentials. Adjacent to the kitchen, the full bathroom includes a spacious shower with glass door, dual sinks, and linen storage that enhance daily convenience. Every inch of the Avalanche 380LT is designed for comfort, with deluxe finishes, high ceilings, and ample storage solutions to keep gear organized throughout your travels.

Outside, features like a power awning with LED lighting and large pass-through storage compartments expand your living and packing space, making outdoor gatherings, gear access, and campsite setup effortless. Whether you re tailgating, exploring state parks, or enjoying extended stays at your favorite campground, the Avalanche 380LT balances luxury with adventure-ready capabilities.

Reasons to Buy the 2025 Keystone RV Avalanche 380LT

Spacious, open interior with rear living area and panoramic windows Gourmet kitchen with island, solid surface counters, residential-style refrigerator, and abundant storage Private front bedroom suite with king-size bed and dual wardrobes Full bathroom with glass-door shower, dual sinks, and linen storage Power awning with LED lighting for enhanced outdoor living Large pass-through exteri","itemCondition":"Used","priceCurrency":"USD","price":"69997.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-avalanche-edition-366ls/a690f9f7-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE AVALANCHE EDITION 366LS","description":"2025 Keystone RV Avalanche 366LS,

Keystone Alpine Avalanche Edition fifth wheel 366LS Highlights

Five Slides
King Bed
Free-Standing Dinette
Largest L-Shaped Sofa
Desk with a Chair

The 2025 Keystone RV Avalanche 366LS is a premium fifth wheel designed for families, full-time RVers, and adventure seekers who want residential-style comfort without compromise. With an open, thoughtfully crafted layout and upscale finishes throughout, the Avalanche 366LS provides a spacious, inviting environment perfect for long weekends, extended road trips, or seasonal stays. Keystone s reputation for quality craftsmanship and innovative design shines through in every detail of this exceptional model, making it a standout choice for those who expect both performance and comfort from their RV.

Step inside and you ll be greeted by a light-filled, open floorplan that seamlessly connects living, dining, and kitchen spaces. The rear living area features plush seating, a large entertainment center, and panoramic windows that bring the outdoors in and make relaxing after a day of adventure truly enjoyable. The chef-ready kitchen offers a large island with solid surface countertops, a residential-size refrigerator, a three-burner cooktop with oven, a convection microwave, and plenty of pantry and cabinet storage everything you need to prepare meals with ease on the road.

The front bedroom suite provides a private retreat with a comfortable king-size bed, multiple wardrobe closets, and generous storage for personal items. The full bathroom features a spacious shower, dual sinks, and ample linen storage to make everyday routines convenient. Clever storage solutions throughout ensure that gear, clothing, and travel essentials remain organized no matter how long you re on the road. Exterior features like a power awning with LED lighting and expansive pass-through storage elevate your outdoor living experience and make packing gear for every adventure easy.

Reasons to Buy the 2025 Keystone RV Avalanche 366LS

Spacious, open interior with rear living area and panoramic windows Chef-style kitchen with island, solid surface counters, residential refrigerator, and ample storage Private front bedroom suite with king-size bed and wardrobe storage Full bathroom with large shower, dual sinks, and linen closet Power awning with LED lighting for enhanced outdoor living Large pass-through exterior storage for gear and adventure equipment Premium finishes and thoughtful storage throughout for comfort and convenience Ideal for families, couples, or full-time RV living ","itemCondition":"Used","priceCurrency":"USD","price":"67977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-avalanche/a67f4200-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE AVALANCHE","description":"2025 Keystone RV Avalanche 379MB,

Keystone Alpine Avalanche Edition fifth wheel 379MB Highlights

U-Shaped Dinette
Middle Bunkhouse
Shower with a Seat
Four Slides
Bedroom Master Closet
Fireplace

The 2025 Keystone RV Avalanche 379MB is a premium fifth wheel that brings residential comfort, smart design, and rugged capability to every road trip. Built for full-time RVers, families, and explorers who want space without compromise, this model features a beautifully crafted interior, quality construction, and plenty of storage for all your gear. From lakeside retreats to cross-country journeys, the Avalanche 379MB delivers confidence, comfort, and sophistication every mile of the way.

Step inside and you ll immediately notice the open, inviting layout anchored by a spacious main living area. Plush seating, a premium entertainment center, and panoramic windows create a welcoming environment for relaxing, entertaining, or simply enjoying the view. The gourmet kitchen is designed for real meal prep on the road with a large island, solid surface countertops, a residential-style refrigerator, a three-burner cooktop with oven, convection microwave, and abundant storage giving you the functionality of a home kitchen while you travel.

The mid-bath layout adds convenience and privacy, separating the full bathroom from the private bedroom so everyday living feels effortless. The front bedroom suite features a comfortable king-size bed, wardrobe closets, and ample storage for clothing and personal items. Everywhere you look, thoughtful touches like quality cabinetry, deluxe lighting, and abundant storage add both style and function. Outdoor features such as a power awning with LED lighting and pass-through storage make camp setup easy and extend your living and storage space outdoors.

Reasons to Buy the 2025 Keystone RV Avalanche 379MB

Spacious, open interior with plush seating and panoramic windows Gourmet kitchen with island, solid surface counters, residential refrigerator, and ample storage Mid-bath design for added convenience and privacy Private front bedroom suite with king-size bed and wardrobe storage Full bathroom with linen storage and deluxe finishes Power awning with LED lighting for enhanced outdoor living Pass-through storage for gear, tools, and adventure equipment Premium construction and finishes throughout for durability and long-lasting enjoyment ","itemCondition":"Used","priceCurrency":"USD","price":"68977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-bullet-290bhs/a3f2217e-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE BULLET 290BHS","description":"2025 Keystone RV Bullet Crossfire 290BHS,

Keystone Bullet Crossfire travel trailer 290BHS Highlights

Large Slide Out
Dual Entry Doors
Walk-Around Queen Bed
Double-Size Bunks

The 2025 Keystone RV Bullet Crossfire 290BHS is the travel trailer built for families, friends, and adventure-seekers who want spacious comfort, smart design, and reliable performance. Packed with practical features and modern amenities, this Bullet Crossfire model delivers a lifestyle of discovery without sacrificing convenience. Whether you re planning weekend getaways to Minnesota s lakes, extended summer road trips, or exploring national parks across the Midwest, the 290BHS provides the room, flexibility, and comfort you need to make every journey memorable.

Step inside and you ll see why the Bullet Crossfire 290BHS stands out. The family-friendly floorplan includes a dedicated rear bunkhouse with comfortable sleeping space for kids or guests, a private front bedroom retreat, and a large U-shaped dinette that s perfect for meals, games, or converting into extra sleep space.

The fully equipped kitchen features modern appliances, ample counter space, and plenty of storage to make cooking on the road easy and fun. Thoughtful storage solutions throughout keep clothing, gear, and supplies organized, while durable finishes and quality craftsmanship ensure years of dependable travel.

Lightweight and easy to tow with many SUVs and light-duty trucks, the Bullet Crossfire 290BHS makes it easy to explore where you want, when you want, with confidence and stability. With family-focused design, modern comforts, and smart functionality, this travel trailer delivers the perfect blend of adventure and everyday living on the road.

Reasons to Buy the 2025 Keystone RV Bullet Crossfire 290BHS Spacious Family Bunkhouse Layout Separate sleeping areas for parents, kids, or guests

Large U-Shaped Dinette Converts into extra sleeping space while offering comfortable seating

Well-Equipped Kitchen Includes modern appliances, generous counter space, and storage

Abundant Storage Throughout Keeps essentials, gear, and personal items neatly organized

Lightweight & Easy to Tow Designed for smooth towing with compatible SUVs and trucks

Durable Interior & Modern Design Attractive, practical finishes built for everyday travel

","itemCondition":"Used","priceCurrency":"USD","price":"25977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-keystone-montana-high-country-311rd/a92c040d-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2023 KEYSTONE MONTANA HIGH COUNTRY 311RD","description":"2023 Keystone RV Montana High Country 311RD,

Keystone Montana High Country fifth wheel 311RD Highlights

U-Shaped Kitchen
Fireplace
Open Concept Living/Dining Area
King Bed

Experience premium comfort and carefree travel with this Used 2023 Keystone RV Montana High Country 311RD, a high-end fifth wheel designed for RVers who want residential-style living on the road. With its spacious rear-dining floorplan, upscale finishes, and thoughtful features throughout, this Montana High Country model is perfect for families, full-time travelers, or anyone who wants the best of both comfort and convenience in their outdoor lifestyle.

Step inside and you ll be greeted by an open and inviting interior that feels like a home away from home. Dual opposing slide-outs maximize living space, creating room for plush seating, a full-size dining area, and abundant storage throughout. The chef-ready kitchen boasts premium appliances, solid surface countertops, and plenty of prep space to make meals a joy wherever you roam. At night, retreat to the private master suite with a comfortable queen bed and spacious wardrobe storage. The full bathroom offers convenience and practicality, while plenty of exterior storage space keeps your gear organized and accessible.

Built with Keystone s legendary quality and engineered for durability, the 311RD is ready for weekend escapes, extended travel, and everything in between.

Reasons to Buy the 2023 Keystone RV Montana High Country 311RD Spacious rear-dining floorplan with dual slide-outs for maximum interior room Plush seating and open living area ideal for relaxing, entertaining, or family time Chef-style kitchen with premium appliances, solid surface countertops, and plenty of storage Large full-size dining area perfect for meals, games, or work on the road Private master suite with a queen bed and generous wardrobe storage Full bathroom with modern fixtures and convenient layout Ample interior and exterior storage for gear, outdoor equipment, and personal items Premium construction and quality craftsmanship from Keystone RV Great choice for extended travel or full-time RV living Comfort, convenience, and luxury features in a pre-owned model ","itemCondition":"Used","priceCurrency":"USD","price":"48895.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-3303ck/add84bb5-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE 3303CK","description":"2025 Keystone RV Alpine 3303CK, Keystone RV Alpine fifth wheel 3303CK Highlights:

Underbed Storage Dual Bath Sinks Kitchen Island Rear Living Area 18 Cu. Ft. Residential Refrigerator The New 2025 Keystone RV Alpine 3303CK redefines luxury fifth wheel travel with a perfect blend of residential comfort, smart design, and rugged reliability. Built for extended trips, seasonal stays, or full-time RV living, this Alpine model combines spacious living areas, upscale features, and thoughtful amenities to make every adventure feel like a retreat. Whether you re exploring national parks, planning cross-country journeys, or spending weekends at your favorite campground, the Alpine 3303CK offers comfort and convenience at every turn.

Step inside and experience a bright, inviting interior that rivals home with its elegant touches, panoramic windows, and flexible floorplan. The chef-ready kitchen boasts premium appliances, abundant counter space, and intuitive storage that makes cooking on the road both efficient and enjoyable. The master suite delivers a private sanctuary with luxurious sleeping accommodations and generous closet space. With its slide-out design and well-thought-out living areas, the Alpine 3303CK gives you plenty of room to relax, entertain, and enjoy life on the road.

Reasons to Buy the 2025 Keystone RV Alpine 3303CK Spacious and open floorplan ideal for comfort and everyday living

Luxury residential-style interior with elegant finishes and premium details

Chef-inspired kitchen with high-end appliances, solid counters, and plenty of storage

Private master suite with comfortable sleeping area and abundant wardrobe space

Large panoramic windows for natural light and scenic views

Generous living and dining areas perfect for family time or entertaining guests

Durable construction and reliable RV systems designed for long-term travel

Smart storage solutions throughout for gear, linens, and essentials

Designed for extended travel, seasonal stays, or full-time RV living

Strong resale value backed by Keystone s reputation for quality

","itemCondition":"Used","priceCurrency":"USD","price":"59977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-3303ck/af34b0c1-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE 3303CK","description":"2025 Keystone RV Alpine 3303CK, Keystone RV Alpine fifth wheel 3303CK Highlights

Underbed Storage Dual Bath Sinks Kitchen Island Rear Living Area 18 Cu. Ft. Residential Refrigerator

The 2025 Keystone RV Alpine 3303CK is a premium fifth wheel that brings together residential comfort, smart space planning, and rugged travel capability for RVers who want the very best in comfort and versatility. Engineered with quality materials and thoughtful design, this Alpine model offers a perfect blend of upscale living space and dependable performance on the road. Whether you re planning extended cross-country trips, seasonal stays, or weekend getaways, the Alpine 3303CK delivers spacious accommodations, modern amenities, and the reliability you need to make every journey unforgettable.

Step inside and you ll find a beautifully appointed interior that feels like home.

The rear living area features theater seating, a comfortable sofa, and a large entertainment center with a fireplace creating a welcoming space for relaxing after a day of adventure. The center kitchen is a highlight, equipped with a generous island offering solid surface countertops, a residential-size refrigerator, a three-burner cooktop with oven, a convection microwave, and abundant pantry space. Whether you re prepping meals for friends or cooking a family favorite, this kitchen gives you the space and functionality to make every dinner a pleasure.

The private front bedroom is a serene retreat with a king-size bed, plenty of wardrobe storage, and under-bed storage for added convenience. Across the hall, the full bathroom features a glass-door shower, dual sinks, and ample linen storage, making daily routines easy while on the road. Panoramic windows throughout the Alpine 3303CK fill the interior with natural light and scenic views, while thoughtful storage solutions keep your gear organized from trip to trip. Outside, features like a power awning with LED lighting and spacious pass-through storage extend your living space and make outdoor activities more enjoyable.

Reasons to Buy the 2025 Keystone RV Alpine 3303CK

Spacious and luxurious interior with theater seating, sofa, and entertainment center Center kitchen with island, solid surface countertops, residential refrigerator, and abundant pantry storage Private bedroom with king-size bed and generous wardrobe storage Full bathroom with glass-door shower and dual sinks for convenience and comfort Panoramic windows for natural light and scenic views from inside Power awning with LED lighting for enhanced outdoor living Pass-through storage and smart exterior design for adventure gear Built with premium materials and quality construction for comfort and durability ","itemCondition":"Used","priceCurrency":"USD","price":"69997.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-bullet-2840qb/a4248bc4-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE BULLET 2840QB","description":"2025 Keystone RV Bullet Classic 2840QB,

Keystone Bullet Classic travel trailer 2840QB Highlights

Rear Private Bunkhouse
Queen Bed
Jack Knife Sofa
Booth Dinette

Step into adventure with the 2025 Keystone RV Bullet Classic 2840QB, a travel trailer designed to elevate every journey with smart design and family-focused comfort. This Bullet Classic model delivers a perfect blend of thoughtful layout, modern conveniences, and durable construction making it ideal for weekend getaways, extended family road trips, or exploring scenic destinations from Minnesota to national parks and beyond.

The moment you enter the 2840QB, you ll notice the well-appointed interior thoughtfully crafted for everyday living on the road. The spacious front private bedroom provides a restful retreat, while the rear queen bed area offers flexibility and comfort for family or guests. The U-shaped dinette is a central hub for meals, games, and gatherings, and it easily converts into additional sleeping space when needed. A fully equipped kitchen features modern appliances, plenty of counter space, and abundant storage to make meal prep feel just like home.

Clever storage solutions throughout keep gear, essentials, and personal items neatly stowed, and durable finishes ensure everyday travel stands up to real use. Large windows bring the outdoors in with natural light and scenic views, and a practical bathroom layout adds convenience for longer stays away from home. Despite its roomy feel, the Bullet Classic 2840QB remains lightweight and easy to tow with compatible SUVs and light-duty trucks, offering flexibility without compromise.

Reasons to Buy the 2025 Keystone RV Bullet Classic 2840QB Front Private Bedroom & Rear Queen Bed Comfortable sleeping spaces for couples, families, and guests

U-Shaped Dinette Ideal for dining, relaxing, and converting to extra sleeping space

Fully Equipped Kitchen Modern appliances, generous counter space, and storage for easy meal prep

Smart Storage Solutions Cabinets, closets, and compartments keep essentials organized on the road

Lightweight Towable Design Easy to tow with a wide range of SUVs and light trucks

Durable, Family-Ready Construction Built to handle everyday travel and weekend adventures with reliable performance

","itemCondition":"Used","priceCurrency":"USD","price":"23977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-reign-18rb/6530ee52-f838-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE REIGN 18RB","description":"2026 Keystone RV Reign 18RB,

Keystone Reign travel trailer 18RB Highlights

Front Murphy Bed
Theater Dinette Slide
Single Axle
11' Power Awning
Huge Countertop

Get ready to explore more with the New 2026 Keystone Reign 18RB a travel trailer that perfectly balances compact convenience with upgraded comfort. Designed for couples and small families who want an easy-to-tow RV without sacrificing livability, the 18RB offers a smart layout, modern features, and a welcoming interior that makes every trip feel like home. Whether you're heading out for weekend getaways or longer road trips, this model is built to keep things simple, efficient, and enjoyable.

Inside, you ll find a thoughtfully designed space that maximizes comfort and functionality. The rear bath layout provides extra room and privacy, while the open living and sleeping area creates a relaxed, versatile environment. A fully equipped kitchen makes it easy to prepare meals on the road, and ample storage throughout ensures you can bring everything you need. Built with Keystone s commitment to durability and ease of use, the Reign 18RB is ideal for both first-time RVers and seasoned travelers looking for a lightweight, dependable option.

Reasons to Buy the 2026 Keystone Reign 18RB Lightweight design makes it easy to tow with a wide range of vehicles Rear bathroom layout offers added space and privacy Efficient floorplan maximizes living and sleeping areas Comfortable sleeping setup ideal for couples or small families Fully equipped kitchen for convenient meal prep on the go Compact size allows for easy maneuvering and campsite access Quick and simple setup for stress-free travel days Smart storage solutions throughout the unit Durable construction built for long-term reliability Perfect for weekend getaways or extended road trips Great value for a feature-packed, modern travel trailer Ideal for both first-time buyers and experienced RVers ","itemCondition":"Used","priceCurrency":"USD","price":"0.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-3011ck/ae0b4fd8-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE 3011CK","description":"2025 Keystone RV Alpine 3011CK,

Keystone Alpine fifth wheel 3011CK Highlights

King Bed
Two Pull-Out Pantries
Free Standing Dinette
Fireplace
Outside Kitchen

The 2025 Keystone RV Alpine 3011CK sets a new standard in luxury fifth wheel travel trailers with thoughtful design, premium amenities, and spacious living areas that make every journey unforgettable. Crafted for couples, families, and full-time RVers alike, this Alpine model combines residential comfort with durable construction that stands up to life on the road. Whether you re planning weekend escapes, seasonal camping, or cross-country adventures, the Alpine 3011CK delivers comfort, style, and performance from the moment you hit the highway.

Step inside and you ll be greeted by a bright, open interior that feels like home.

The rear living area is anchored by plush theater seating, a cozy sofa, and a premium entertainment center with a fireplace perfect for relaxing after exploring scenic destinations. The heart of this coach is the center kitchen, complete with a large island featuring solid surface countertops, a farmhouse sink, a residential-size refrigerator, a three-burner cooktop with oven, and abundant pantry space. Whether preparing breakfast before a hike or cooking dinner after a day of sightseeing, the kitchen is both stylish and functional.

The private front bedroom suite offers a peaceful retreat with a king-size bed and ample wardrobe space, plus optional washer/dryer prep for extended trips. The full bathroom features a glass-door shower, dual sinks, and plenty of storage, making daily routines feel effortless. With panoramic windows that fill the interior with natural light and bring the outdoors in, the Alpine 3011CK creates an inviting space that s perfect for spending quality time with family and friends.

Outside, features like a power awning with integrated LED lighting, spacious pass-through storage, and solid construction make outdoor living easy and enjoyable. From tailgate gatherings to lakeside sunsets, this Alpine fifth wheel lets you make the most of every destination.

Reasons to Buy the 2025 Keystone RV Alpine 3011CK

Luxurious interior with theater seating, sofa, and entertainment center for relaxation Center kitchen with island, solid surface countertops, residential refrigerator, and ample storage Private bedroom with king-size bed and generous wardrobe space Full bathroom with glass-door shower and dual sinks for everyday convenience Panoramic windows that bring in natural light and scenic views Power awning with LED lighting for enhanced outdoor living Large pass-through storage for gear, adventure equipment, and outdoor essentials Built with premium materials and quality construction fo","itemCondition":"Used","priceCurrency":"USD","price":"59977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-reign-13rk/d627dde6-d0e8-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE REIGN 13RK","description":"2026 Keystone RV Reign 13RK,

Keystone Reign travel trailer 13RK Highlights

Full Bathroom
Jack Knife Sofa
Single Axle
9' Power Awning

The 2026 Keystone RV Reign 13RK is a lightweight, ultra-maneuverable travel trailer that redefines what it means to RV with comfort and style. Designed for adventurers who want a compact, easy-to-tow trailer without sacrificing features, this model is perfect for couples, solo travelers, and weekend explorers alike. Its smart layout maximizes every inch of space, giving you the function of larger trailers with the convenience of a lightweight design. Whether you re towing with a small SUV, crossover, or mid-size truck, the Reign 13RK makes every journey more accessible and enjoyable.

Step inside and you ll notice a bright, intelligently designed interior with premium finishes and modern touches. The rear kitchen (RK) pulls double duty by placing the cooking and food prep area at the back where panoramic windows bring in lots of natural light and views of the outdoors. With a refrigerator, microwave, two-burner cooktop, and thoughtful cabinet storage, meal prep from camp breakfast to dinner after a hike feels simple and satisfying. The convertible dinette provides a versatile space for dining, relaxing, or evening games, and can easily transform into a comfortable sleeping surface.

Opposite the kitchen, the living area doubles as extra sleeping space, making the Reign 13RK feel larger than its lightweight footprint. Clever storage cubbies, overhead cabinets, and smart design touches ensure gear, linens, and essentials stay tucked away but accessible. The bathroom features a shower and toilet in an efficient layout that keeps everyday needs covered while freeing up interior space.

Outside, a power awning extends your living area into the fresh air, creating a perfect spot for morning coffee, sunset dinners, or lounging after a day on the trails. Durable construction and user-friendly features make the Reign 13RK a versatile companion for national park tours, weekend getaways, and coastal campgrounds alike.

Reasons to Buy the 2026 Keystone RV Reign 13RK

Lightweight and easy to tow with SUVs and mid-size trucks Rear kitchen design with panoramic views and functional layout Fully equipped kitchen including refrigerator, cooktop, and microwave Convertible dinette and living area for flexible sleeping and seating Efficient bathroom with shower and toilet for everyday convenience Power awning for expanded outdoor living space Intelligent storage solutions throughout for gear and essentials Compact size that pairs big comfort with small-trailer efficiency ","itemCondition":"Used","priceCurrency":"USD","price":"23993.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-avalanche-edition-380lt/a66940d2-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE AVALANCHE EDITION 380LT","description":"2025 Keystone RV Avalanche 380LT,

Keystone Alpine Avalanche Edition fifth wheel 380LT Highlights

Outdoor Kitchen
Hide-a-Bed Sofa
Bath and a Half
Middle Kitchen
18 Cu. Ft. Residential Refrigerator

The 2025 Keystone RV Avalanche 380LT is a premium fifth wheel designed for RVers who crave spacious luxury, smart layouts, and all-season comfort. Perfect for families, full-time travelers, and weekend explorers, this model offers a seamless combination of high-end features, durable construction, and thoughtful design. With a roomy interior, modern amenities, and versatile living spaces, the Avalanche 380LT ensures every journey feels comfortable, convenient, and unforgettable.

Step inside to experience a bright, open floorplan that blends style and functionality. The rear living area features plush theater seating, a cozy sofa, and a large entertainment center with panoramic windows that bring the outdoors in. The center kitchen is built for serious meal prep, featuring a large island with solid surface countertops, a residential-size refrigerator, a three-burner cooktop with oven, a convection microwave, and abundant pantry and cabinet storage. Dining, entertaining, and relaxing are effortless with this thoughtfully designed layout.

The front bedroom suite provides a private retreat with a king-size bed, dual wardrobes, and generous storage. The full bathroom features a glass-door shower, dual sinks, and ample linen storage for everyday convenience. Throughout the coach, premium finishes, high ceilings, and smart storage solutions combine for both style and functionality. Outside, a power awning with LED lighting and spacious pass-through storage make outdoor living, gear organization, and campsite setup simple and enjoyable.

Reasons to Buy the 2025 Keystone RV Avalanche 380LT

Luxurious and open interior with rear living area and panoramic windows Chef-ready kitchen with island, solid surface counters, residential refrigerator, and ample storage Private front bedroom suite with king-size bed and dual wardrobes Full bathroom with glass-door shower, dual sinks, and linen storage Power awning with LED lighting for outdoor living and entertaining Pass-through storage for gear, tools, and adventure essentials Premium construction and finishes throughout for durability and comfort Ideal for full-time travel, family vacations, and extended trips ","itemCondition":"Used","priceCurrency":"USD","price":"67977.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-3910rk/adf8ff98-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE 3910RK","description":"2025 Keystone RV Alpine 3910RK, Keystone RV Alpine fifth wheel 3910RK Highlights

Underbed Storage Rear Kitchen Dual Entry Doors Fireplace Outdoor Kitchen

The 2025 Keystone RV Alpine 3910RK is a top-tier fifth wheel that delivers residential comfort, spacious design, and premium craftsmanship for RVers who want both luxury and performance. Built for couples, families, or full-time travelers, this Alpine model stands out with its thoughtful layout, upscale amenities, and rugged construction that holds up to year-round exploration. Whether you re heading to national parks, lakeside campgrounds, or cross-country road trips, the Alpine 3910RK offers space, convenience, and style that make every adventure feel like home.

Step inside and you ll be greeted by a bright, open interior designed for comfort and flow. The rear living area creates a cozy gathering space with comfortable seating, a large entertainment center, and panoramic windows that bring the outdoors inside. The center kitchen is a chef s dream on the road, featuring a large island with solid surface countertops, a residential-size refrigerator, a three-burner cooktop with oven, and a spacious pantry for all your ingredients. Meal prep and cleanup become effortless, and the expansive counter space makes hosting friends or family a breeze.

The private front bedroom suite offers a peaceful retreat with a king-size bed, abundant storage, and generous wardrobe space for your travel wardrobe and essentials. The full bathroom features a glass-door shower, dual sinks, and linen storage that elevate comfort during extended stays. With panoramic windows throughout, natural light fills the interior and enhances the open, inviting feel. Thoughtful touches like high-end finishes, LED lighting, and practical storage solutions make this coach both functional and beautiful.

Outside, the Alpine 3910RK features a power awning with LED lighting and spacious pass-through storage, giving you plenty of room for outdoor gear, adventure essentials, and campsite setup. Built with Keystone s four-season construction and quality materials, this fifth wheel is ready to go wherever your travel dreams take you.

Reasons to Buy the 2025 Keystone RV Alpine 3910RK

Spacious, comfortable rear living area with panoramic windows and entertainment center Center kitchen with large island, solid surface countertops, residential-style appliances, and abundant storage Private front king bedroom suite with ample wardrobe space Full bathroom with glass-door shower, dual sinks, and linen storage Panoramic windows for natural light and scenic views Power awning and LED lighting for enhanced outdoor living Pass-through storage for easy gear organization Four-season construction for year-round travel and durabili","itemCondition":"Used","priceCurrency":"USD","price":"74997.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-alpine-3011ck/afc55be5-d0e7-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE ALPINE 3011CK","description":"2025 Keystone RV Alpine 3011CK,

Keystone Alpine fifth wheel 3011CK Highlights

King Bed
Two Pull-Out Pantries
Free Standing Dinette
Fireplace
Outside Kitchen

The 2025 Keystone RV Alpine 3011CK is a premium fifth wheel that brings residential-style comfort, intelligent design, and rugged travel readiness together in one remarkable package. Built with upscale touches and engineered for long-lasting performance, the Alpine 3011CK is ideal for families, full-time RVers, or anyone who wants creature comforts on the road. From weekend getaways to extended cross-country journeys, this fifth wheel delivers a perfect blend of space, style, and capability.

Step inside and you ll immediately discover a thoughtfully arranged interior designed for everyday living and entertaining. The spacious living area features plush theater seating, a cozy sofa, and an entertainment center with a large TV and fireplace perfect for family movie nights or relaxing after a day of exploring. The standout center-kitchen layout includes a large island with solid surface countertops, farmhouse-style sink, residential-size refrigerator, three-burner cooktop with oven, and generous pantry space. Whether you re making quick snacks or full meals, this kitchen is built for convenience and style.

The private bedroom suite at the front of the coach is your peaceful retreat on the road, with a king-size bed, large wardrobe closets, and optional washer/dryer prep for true at-home convenience. Across the hall, the full bathroom offers a roomy glass-door shower, dual sinks, and plenty of linen storage to make daily routines easier. With premium finishes, high ceilings, and abundant natural light from panoramic windows, the Alpine 3011CK feels more like a luxury home than a travel trailer.

Exterior features like a power awning with LED lighting, pass-through storage bays, and durable construction ensure that you ll be ready for adventure wherever your travels take you. From the smooth, residential feel of the interior to the rugged reliability on the road, this fifth wheel is designed to elevate every aspect of the camping experience.

Reasons to Buy the 2025 Keystone RV Alpine 3011CK Luxury interior with theater seating, fireplace, and entertainment center Full residential kitchen with island, solid surface countertops, and large pantry Private front king bedroom suite with ample storage and optional washer/dryer prep Full bathroom with glass-door shower and dual sinks Large panoramic windows for natural light and scenic views Power awning with LED lighting for enhanced outdoor living Pass-through storage and smart exterior design for gear and adventure equipment Built with quality materials and construction for durability and longevi","itemCondition":"Used","priceCurrency":"USD","price":"59977.00"}}]}}

Campers Inn RV of Ramsey

Keystone RVs for sale