• Condition New
  • Status In Stock
  • Order No. RVN26637
  • Stock No. 23MS523872
Retail Price $116,554
Discount – $56,109
Competitor's Price $60,445
Our price is lower than this

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  • 2023 Milestone 321FL by Heartland

    Aptly named, this fifth wheel RV provides innovative amenities without leaving value behind. No need to break the bank––a 50-inch entertainment TV with integrated sound bar, and upgraded MORryde solid step with quick adjust system at every door come standard.


    Interior Decor: Addison
    • Milestone Discovery Package
      • Full Profile Painted Front Cap
      • Straight Roofline Profile
      • Horizon Full View Slideout Windows
      • 7-layer Laminated Plywood Sealed Slide Floors
      • Dexter E/Z Lube Axles
      • Nev-R Adjust Brakes
      • Aluminum Wheels
      • Heated & Enclosed Underbelly
      • Tinted Safety Glass Windows
      • Azdel Backed Layered Sidewalls
      • Friction Hinge Entry Door
      • Skylight in Bathroom
      • Foot Flush Toilet
      • Black Tank Flush
      • Quick Recovery Water Heater
      • Satellite / Cable Hookup
      • 35K BTU Furnace
      • 55 amp 12v Power Converter
      • Spare Tire
      • Roller Shades
      • Backup Camera Prep
    • Milestone Summit Package
      • Two 15K BTU A/C’s
      • Power Awning w/LED Lights
      • Dual 30# Propane Tanks With Auto Switchover
      • Water Heater Bypass
      • Propane Quick Connect
      • Residential Refrigerator
      • 30” OTR Microwave
      • Residential Free Standing Oven & Range
      • Ultra Plush Residential Style Furniture
      • King Mattress Standard (N/A 377MB & 333MB)
    • Milestone Elevation Package
      • Winegard Gateway Wi-Fi Router
      • Smart Streaming TV
      • JBL Hi-Fi Speaker & Stereo
      • Wireless Charging
      • RotoFlex Hitch
      • X1 Control System
      • Electric Auto Level
      • 40” 5100 BTU Fireplace
    • Sol - 380 Solar Package
    • Winterization

    The RV Nation Advantage Features included with every new RV Purchase!

    • 12V Deep Cycle Battery - Free!
    • Propane in Tanks - Free!
    • Dealer Prep - Free!
    • North American Service Network - Free!

    Estimated Payment


    * Not all buyers will qualify. Contact us for details.

    We Deliver! Get An Estimate.

    Whether you pick it up, we bring it to you, or meet in the middle, taking delivery of your new RV couldn't be easier.

    USA only, Please contact us for Canadian delivery quote.

    • Anti-chucking Rota-flex 2″ pin box
    • 50 Watt solar panel with inverter prep
    • Upgraded MORryde solid step with quick adjust system at every door
    • Level Up Electric System – Levels an RV using a one-touch auto leveling feature


    • 14 Cubic foot residential refrigerator with wine cooler
    • 40˝ Luxury fireplace (most models)
    • Chef kitchen (30˝over the range microwave/21˝ large RV oven)
    • Wifi prep with wireless cell phone charging ports
    • 50˝ Entertainment tv with integrated sound bar


    • Full Profile Painted Front Cap
    • Straight Roofline
    • 6’5″ Slideouts
    • Azdel laminated sidewalls with lightweight non-wood substrate, sound barrier and better insulation value


    • 14 Cubic foot residential refrigerator with wine cooler
    • Chef kitchen (30˝over the range microwave/21˝ large RV oven)
    • Anti-Microbial Solid Surface Kitchen Countertops
    • Stainless steel single basin sink with a pull out faucet
  • Specification Imperial Metric
    Dry Weight 11,295 lbs 5,123.33 kg
    Pin Weight 2,840 lbs 1,288.20 kg
    Overall Length 37' 5" 11.40 m
    Black Water Tank 40 gal 151.42 l
    Fresh Water Tank 50 gal 189.27 l
    Gray Water Tank 40 gal 151.42 l
** All information contained on this website is believed to be accurate at the time of publication. However, during the model year, product revisions occur and manufacturers reserve the right to make these changes without notice. This includes pricing, colors, materials, equipment, and specifications as well as the addition or discontinuation of models shown on this website.