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RF Upper 10.5" 7.62x39 HBAR Complete Upper with Quad Rail: FQR 10" rail
RF Upper 10.5" 7.62x39 HBAR Complete Upper with Quad Rail: FQR 10" rail

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MSRP: $393.95

Stock Status:Ready to build; check lead times
Availability: Current Production Time Up To 4 Weeks
Product Code: CFU10.5-7.62X39HBAR-10FQR


Charging Handle*:

Muzzle Options*:

***Please select your options on the right hand side for BCG, Charging Handle, and other choices***

The Radical Firearms 10.5" HBAR Upper Receiver is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any Mil-Spec AR-15 lower receiver! This fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 10.5" HBAR Barrel and A2 Flash Hider. Complete upper including Bolt Carrier Group and Charging Handle.

  • 10.5" HBAR 4150V Chromoly Melonited Barrel
  • 1 in 10" twist rate
  • 5/8x24 thread pitch
  • MPI 7.62x39 Bolt
  • M4 Feed ramps
  • Low Profile Micro Gas Block
  • DGI Stainless Carbine-length gas tube
  • Direct Gas Impingement
  • MIL-STD A2 Flash Hider
  • Radical Firearms 10" Free Float FQR (First-Gen Quad Rail) Quad Rail
  • Quad Picatinny Rails for Mounting Lights, Lasers, Bipods & Sights
  • MIL-STDForged Upper Receiver with RF Dimpled Forward Assist, Shell Deflector
  • MIL-STD Charging Handle
  • Made in Houston, Texas U.S.A.!

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