***Please select your options on the right hand side for BCG, Charging Handle, and other choices***
The Radical Firearms 16" M4 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, RF Barrel Nut. 16" HBAR Barrel and A2 Flash Hider. Bolt Carrier Group and Charging Handle are additional and are offered at discounted prices in the drop down menus.
- 16" HBAR Melonite Barrel
- 4150V Chrome Moly
- 1 in 8" twist rate
- AAC 300 BLACK OUT
- M4 Feed ramps
- Low Profile Micro Gas Block
- DGI Stainless Pistol-length gas tube
- Direct Gas Impingement
- Mil-Spec A2 Flash Hider
- 12" Radical Firearms Billet FQR (First-Gen Quad Rail)
- Quad Picatinny Rails for Mounting Lights, Lasers, Bipods & Sights
- Forged Upper Receiver with Forward Assist, Shell Deflector
- Made in Houston, Texas U.S.A.!