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RF 16" 5.56MM M4 15" FCR Upper Assembly Radical Firearms 10.5" 5.56 Upper With 10" FCR Radical Firearms 7.5" 5.56 Upper With 7" FCR
  • 16” 4140 Chromoly Barrel With Melonite Coating
  • 5.56 M4 Profile
  • M4 Feed Ramps
  • 1:7 Twist Rate
  • A2 Flash Hider
  • 1/2x28 TPI
  • Low Profile Gas Block
  • Carbine Length Gas System
  • Radical Firearms Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • RF Dimpled Forward Assist
  • Radical Firearms 15” FCR, With M-LOK Accessories Slots
  • Made in Houston, Texas U.S.A.!
  • 10.5” 4140 Chromoly Barrel With Melonite Coating
  • 5.56 M4 Profile
  • M4 Feed Ramps
  • 1:7 Twist Rate
  • A2 Flash Hider
  • 1/2x28 TPI
  • Low Profile Gas Block
  • Carbine Length Gas System
  • Radical Firearms Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • RF Dimpled Forward Assist
  • Radical Firearms 10” FCR with M-LOK
  • Made in Houston, Texas U.S.A.
  • 7.5” 4140 Chromoly Barrel With Melonite Coating
  • 5.56 M4 Profile
  • M4 Feed Ramps
  • 1:7 Twist Rate
  • A2 Flash Hider
  • 1/2x28 TPI
  • Low Profile Gas Block
  • Carbine Length Gas System
  • Radical Firearms Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • RF Dimpled Forward Assist
  • Radical Firearms 7” FCR with M-LOK
  • Made in Houston, Texas U.S.A.
RF 16" 5.56MM M4 15" FTR Upper Assembly RF 16" 5.56M SOCOM Barrel with 15" FTR Upper Assembly RF 16" 5.56MM M4 12" FCR Upper Assembly
  • 16” 4140 Chromoly Barrel With Melonite Coating
  • 5.56 M4 Profile
  • M4 Feed Ramps
  • 1:7 Twist Rate
  • A2 Flash Hider
  • 1/2x28 TPI
  • Low Profile Gas Block
  • Carbine Length Gas System
  • Radical Firearms Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • RF Dimpled Forward Assist
  • Radical Firearms 15” FTR, With Keymod Attachment Slots
  • Made in Houston, Texas U.S.A.!
  • 16” 4140 Chromoly Barrel With Melonite Coating
  • 5.56 SOCOM Profile
  • M4 Feed Ramps
  • 1:7 Twist Rate
  • A2 Flash Hider
  • 1/2x28 TPI
  • Low Profile Gas Block
  • Carbine Length Gas System
  • Radical Firearms Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • RF Dimpled Forward Assist
  • Radical Firearms 15” FTR, With Keymod Attachment Slots
  • Made in Houston, Texas U.S.A.!
  • 16” 4140 Chromoly Barrel With Melonite Coating
  • 5.56 M4 Profile
  • M4 Feed Ramps
  • 1:7 Twist Rate
  • A2 Flash Hider
  • 1/2x28 TPI
  • Low Profile Gas Block
  • Carbine Length Gas System
  • Radical Firearms Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • RF Dimpled Forward Assist
  • Radical Firearms 12” FCR, With M-LOK Accessories Slots
  • Made in Houston, Texas U.S.A.!
Radical Firearms 7.5" 1:7 5.56 M4 Profile FGS 7" Radical Firearms 7.5" 1:7 5.56 M4 Quad Rail: 7" FQR RF Upper 10.5"  5.56 M4 Profile RF Round Rail: FGS 10" rail
  • 7.5” 4140 Chromoly Barrel With Melonite Coating
  • 5.56 M4 Profile
  • M4 Feed Ramps
  • 1:7 Twist Rate
  • A2 Flash Hider
  • 1/2x28 TPI
  • Low Profile Gas Block
  • Pistol Length Gas System
  • Radical Firearms Forged MIL-STD Upper Receiver
  • MIL-STD Upper Parts Kit
  • RF Dimpled Forward Assist
  • Radical Firearms 7” FGS
  • Attachment Slots accept either Magul MOE attachments, or our RF picatinny rail sections (FGS-A)
  • Made in Houston, Texas U.S.A.!
    • 7.5” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 M4 Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Pistol Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 7” FQR
    • Quad Picatinny Rails The Full Length of the Rail
    • Made in Houston, Texas U.S.A.!
    • 10.5" 4140V Chromoly Barrel With Melonite Coating
    • 1 in 7" twist rate
    • 5.56 NATO Chamber
    • M4 Feed Ramps
    • Low Profile Gas Block
    • Carbine Length Gas System
    • M16 BCG With Melonite Coating
    • Radical Firearms 10" Free Float FGS (Forward Guard Shield) Round Rail with Top Picatinny Rail
    • Allows for the use of Magpul MOE attachments and our FGSA rail attachments
    • MIL-STD Forged Upper Receiver with RF Dimpled Forward Assist, Shell Deflector, Dust Cover
    • Made in Houston, Texas U.S.A.!
    RF Upper 10.5"  5.56 m4 profile RF Quad Rail: FQR 10" rail RF Upper 16"  5.56 M4 Profile RF Round Rail: FGS 12" Rail RF Upper 16"  5.56 M4 profile RF Quad Rail: FQR 12" rail
    • 10.5” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 M4 Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Carbine Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 10” FQR
    • Quad Picatinny Rails The Full Length of the Rail
    • Made in Houston, Texas U.S.A.!
    • 16” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 M4 Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Carbine Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 12” FGS
    • Attachment Slots accept either Magul MOE attachments, or our RF picatinny rail sections (FGS-A)
    • Made in Houston, Texas U.S.A.!
    • 16” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 M4 Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Carbine Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 12” FQR
    • Quad Picatinny Rails The Full Length of the Rail
    • Made in Houston, Texas U.S.A.!
    RF 10.5" M4 5.56MM Radical Rail Upper Assembly RF 16" 5.56MM SOCOM Radical Rail Upper Assembly RF 7.5" M4 1:7 5.56MM Radical Rail Upper Assembly
    • 10.5” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 M4 Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Carbine Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 9" FHR Hybrid Rail System
    • Integrated Keymod attachment points on the sides and bottom with Picatinny Rails at the fore end for Mounting Lights, Lasers, Bipods & Sights
    • Made in Houston, Texas U.S.A.!
    • 16” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 SOCOM Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Carbine Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 15" FHR Hybrid Rail System
    • Integrated Keymod attachment points on the sides and bottom with Picatinny Rails at the fore end for Mounting Lights, Lasers, Bipods & Sights
    • Made in Houston, Texas U.S.A.!
    • 7.5” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 M4 Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Carbine Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 7" FHR Hybrid Rail System
    • Integrated Keymod attachment points on the sides and bottom with Picatinny Rails at the fore end for Mounting Lights, Lasers, Bipods & Sights
    • Made in Houston, Texas U.S.A.!
    RF 16" 5.56 Upper Assembly with 15" MHR (M-LOK)
    • 16” 4140 Chromoly Barrel With Melonite Coating
    • 5.56 SOCOM Profile
    • M4 Feed Ramps
    • 1:7 Twist Rate
    • A2 Flash Hider
    • 1/2x28 TPI
    • Low Profile Gas Block
    • Carbine Length Gas System
    • Radical Firearms Forged MIL-STD Upper Receiver
    • MIL-STD Upper Parts Kit
    • RF Dimpled Forward Assist
    • Radical Firearms 15" MHR Hybrid Rail System
    • Integrated M-LOK attachment points on the sides and bottom with Picatinny Rails at the fore end for Mounting Lights, Lasers, Bipods & Sights
    • Made in Houston, Texas U.S.A.!