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Stock Number: N005737
Exterior Length: 13.59 m
Number of Slide Outs: 6
Condition: New
Exterior Color: GREY
VIN: 4X4FRS833V0005737
Description: Sales_pitch: The RV for sale is a New 2027 Riverstone Legacy Fifth Wheel by Forest River RV that and much more. This Riverstone Legacy ...
Updated: Tuesday, September 22, 2026 08:02 am
Location: Holden, Louisiana, USA
Seller: Berryland Campers - Holden
Stock Number: 100016
Condition: New
VIN: 100016
Description: Vehicledescription: 2027 FOREST RIVER Riverstone 421FK VIN 100016 Stop by Today: Visit us at Giant Recreation World Winter Garden located at 13...
Updated: Monday, September 21, 2026 08:12 pm
Location: Winter Garden, Florida, USA
Seller: Giant Recreation World-Winter Garden
Stock Number: 355237
Exterior Length: 1.12 m
Sleeps: 4
Number of Slide Outs: 5
Condition: New
Exterior Width: 0.2 m
Description: NEW 2027 FOREST RIVER RIVERSTONE 421FK – 355237
Forest River Riverstone 421FK Highlights:
• Front kitchen with residential appliances
• ...
Updated: Monday, August 17, 2026 10:16 am
Location: Mesa, Arizona, USA
Seller: General RV Colorado
Stock Number: 355235
Exterior Length: 1.12 m
Sleeps: 4
Number of Slide Outs: 5
Condition: New
Exterior Width: 0.2 m
Description: NEW 2027 FOREST RIVER RIVERSTONE 421FK – 355235
Forest River RiverStone 421FK fifth wheel highlights:
Front Kitchen
King Bed Suite
Fi...
Updated: Monday, August 17, 2026 10:16 am
Location: Mesa, Arizona, USA
Seller: General RV Colorado
Stock Number: 6793
Exterior Length: 13.41 m
Sleeps: 4
Number of Slide Outs: 6
Condition: New
Exterior Color: RUBY
Description: New 2027 Forest River RV RiverStone 421FK
Details: Forest River RiverStone fifth wheel 421FK highlights: Kitchen Island Front Kitchen Theater Sea...
Updated: Friday, September 11, 2026 04:04 am
Location: Perry, Iowa, USA
Seller: McKee RV
Stock Number: 7102
Exterior Length: 13.59 m
Sleeps: 4
Number of Slide Outs: 6
Condition: New
Exterior Color: QUICK SILVER
Description: New 2027 Forest River RV RiverStone 421FK
Details: Forest River RiverStone fifth wheel 421FK highlights: Kitchen Island Front Kitchen Theater Sea...
Updated: Friday, September 11, 2026 04:04 am
Location: Perry, Iowa, USA
Seller: McKee RV
Stock Number: 46995
Exterior Length: 13.41 m
Condition: New
Exterior Color: Silver Sky
Exterior Width: 0.22 m
VIN: 4X4FRS83XT0005568
Description: Overview Experience the Open Road Like Never Before with the 2026 Forest River RIVERSTONE 421FK: Your Gateway to Adventure! Step aboard the 2026 Fo...
Updated: Tuesday, September 01, 2026 03:10 pm
Location: Tualatin, Oregon, USA
Seller: RV Country - Tualatin, OR
Stock Number: 92185
Exterior Length: 13.41 m
Sleeps: 4
Number of Slide Outs: 6
Condition: New
Exterior Color: OCEAN
Description: New 2026 Forest River RV RiverStone 421FK
Details: Forest River RiverStone fifth wheel 421FK highlights: Kitchen Island Front Kitchen Theater Sea...
Updated: Monday, September 21, 2026 10:05 am
Location: Odessa, Texas, USA
Seller: Ron Hoover RV & Marine - Odessa
Stock Number: 4D289
Condition: New
VIN: 4D289
Description: Vehicledescription: 2026 FOREST RIVER Riverstone 421FK VIN 4D289 Stop by Today: Visit us at Giant Recreation World Palm Bay located at 1355 Cul...
Updated: Tuesday, September 15, 2026 11:05 pm
Location: Palm Bay, Florida, USA
Seller: Giant Recreation World
Stock Number: 39781
Exterior Length: 13.72 m
Sleeps: 4
Number of Slide Outs: 5
Condition: New
Exterior Color: Frost, Mercury, Blue Ice, Riptide Red Paint Options
Description: New 2026 Forest River RV RiverStone 421FK
Details: The following is a list of Additional Options besides the Standard Features come with the unit ...
Updated: Wednesday, August 05, 2026 08:25 am
Location: Turlock, California, USA
Seller: Best RV Center
Stock Number: 17181
Exterior Length: 13.72 m
Sleeps: 4
Number of Slide Outs: 5
Condition: New
Exterior Color: Riptide Red
Description: New 2026 Forest River RV RiverStone 421FK
Details: Forest River RiverStone fifth wheel 421FK highlights: Kitchen Island Front Kitchen Theater Sea...
Updated: Tuesday, September 15, 2026 02:21 pm
Location: Greer, South Carolina, USA
Seller: Adventure Motor Homes
Stock Number: 18129
Condition: Used
VIN: 4X4FRS834R0004408
Hitch Weight: 1,483.25 kg
Description: Come check out this beautiful, like-new Pre-Owned 2024 Riverstone 421FK Legacy Package, a true residential fifth wheel built for both comfort and d...
Updated: Saturday, August 29, 2026 11:05 pm
Location: Acheson, Alberta, Canada
Seller: ArrKann Trailer & RV Centre
Stock Number: 94102
Exterior Length: 13.72 m
Sleeps: 4
Number of Slide Outs: 5
Condition: Used
Exterior Color: BLUE
Description: Used 2024 Forest River RV RiverStone 421FK
Details: Forest River RiverStone fifth wheel 421FK highlights: Kitchen Island Front Kitchen Theater Se...
Updated: Monday, September 21, 2026 02:53 pm
Location: Katy, Texas, USA
Seller: Ron Hoover RV & Marine - Katy
Stock Number: 99354
Exterior Length: 13.72 m
Sleeps: 4
Number of Slide Outs: 5
Condition: Used
Number of Axles: Tandem
Description: Used 2024 Forest River RV RiverStone 421FK
Details: Forest River RiverStone fifth wheel 421FK highlights: Kitchen Island Front Kitchen Theater Se...
Updated: Monday, September 21, 2026 10:05 am
Location: Katy, Texas, USA
Seller: Ron Hoover RV & Marine - Katy