Home > UPPERS > 6.5 Grendel AR-15 Complete Upper Assemblies

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RF 20" 6.5 Grendel Upper with FHR RF 20" 6.5 Grendel Upper with FHR

  • 20” 416R Stainless Steel Barrel
  • 6.5 Grendel
  • 1:9 Twist Rate
  • M4 Feed Ramps
  • Low Profile Gas Block
  • Rifle Length Gas System
  • Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • BCG With Melonite Coating
  • MIL-STD Charging Handle
  • Radical Firearms 15" Free Float FHR (First-Gen Hybrid Rail)
  • Quad Picatinny Rails on all four sides for at the fore end of the rail for mounting Lights, Lasers, Bipods & Sights
  • Keymod accessory slots on the sides and bottom to accept accessories
  • Custom Radical Firearms Pepper Pot Brake

Regular Price: $599.95

(7)
RF 24" 6.5 Grendel Upper RF 24" 6.5 Grendel Upper

  • 24” 416R Stainless Steel Barrel
  • 6.5 Grendel
  • 1:9 Twist Rate
  • M4 Feed Ramps
  • Low Profile Gas Block
  • Rifle Length Gas System
  • Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • BCG With Melonite Coating
  • MIL-STD Charging Handle
  • Radical Firearms 15" Free Float FHR (First-Gen Hybrid Rail)
  • Quad Picatinny Rails on all four sides for at the fore end of the rail for mounting Lights, Lasers, Bipods & Sights
  • Keymod accessory slots on the sides and bottom to accept accessories
  • Custom Radical Firearms Pepper Pot Brake

Regular Price: $599.95

(7)
RF 20" 6.5 Grendel Upper with MHR RF 20" 6.5 Grendel Upper with MHR

  • 20” 416R Stainless Steel Barrel
  • 6.5 Grendel
  • 1:9 Twist Rate
  • M4 Feed Ramps
  • Low Profile Gas Block
  • Rifle Length Gas System
  • Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • BCG With Melonite Coating
  • MIL-STD Charging Handle
  • Radical Firearms 15" Free FloatMHR (M-LOK)
  • Quad Picatinny Rails on all four sides for at the fore end of the rail for mounting Lights, Lasers, Bipods & Sights
  • M-LOK Accessory Slots on the Sides and Bottom to Accept Accessories
  • Custom Radical Firearms Pepper Pot Brake

Regular Price: $599.95
RF 24" 6.5 Grendel Upper with MHR RF 24" 6.5 Grendel Upper with MHR

  • 24” 416R Stainless Steel Barrel
  • 6.5 Grendel
  • 1:9 Twist Rate
  • M4 Feed Ramps
  • Low Profile Gas Block
  • Rifle Length Gas System
  • Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • BCG With Melonite Coating
  • MIL-STD Charging Handle
  • Radical Firearms 15" Free FloatMHR (M-LOK)
  • Quad Picatinny Rails on all four sides for at the fore end of the rail for mounting Lights, Lasers, Bipods & Sights
  • M-LOK Accessory Slots on the Sides and Bottom to Accept Accessories
  • Custom Radical Firearms Pepper Pot Brake

Regular Price: $599.95