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.
- 10.5″ HBAR Melanite Barrel
- 4150V Chromoly
- 1 in 10″ twist rate
- M4 Feed ramps
- Low Profile Micro Gas Block
- DGI Stainless Carbine-length gas tube
- Direct Gas Impingement
- Mil-Spec A2 Flash Hider
- 10″ Radical Firearms Billet FQR (First-Gen Quad Rail) Quad Rail
- Quad Picatinny Rails for Mounting Lights, Lasers, Bipods & Sights
- Forged Upper Receiver with Forward Assist, Shell Deflector
** CANCELLATIONS – Upper Assembly cancellations are subject to a 10% cancellation fee.
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