Radical Firearms Upper Assembly 5 56NATO 10.5″

The Radical Firearms 10.5″ 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.

Radical Firearms Upper Assembly 5 56

Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 10.5″ M4 Profile Barrel and A2 Flash Hider, Bolt Carrier Group and Charging Handle.

Radical Firearms Upper Assembly 5.56 

Color: Black

Caliber: 5.56x45mm NATO

Barrel Length: 10.5 in

Barrel Twist Rate: 1-7

Gun Rail: M-LOK