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.
The Radical Firearms 16" M4 Upper Receiver comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 16" M4 Profile Barrel and A2 Flash Hider.
- 16" M4 Melonite Barrel
- 4150V Chrome Moly
- 1 in 7" twist rate
- 5.56 NATO Chamber
- M4 Feed ramps
- 12" Radical Firearms Hybrid Keymod Handguard: Features Reverse Keymod sections so your accessories have less chance of falling off in intense situations
- Forged Upper Receiver with Forward Assist, Shell Deflector
- Mid-Length Gas System
Big Book Catalog, Issue:73, Page:007