BUSHMASTER 5.56/223 ORC M4-Profile 16in Barrel Complete Upper (92194)

16" M4 barrel chrome-lined in both bore and chamberDetachable carry handleA2 flash hiderBlack Finish

The Bushmaster M4A3 Upper Receiver, Flat Top, 16" barrel, 5.56/.223 Caliber (91823) will attach to most AR15 lower receivers on the market, and includes bolt carrier group.5.56 NATOAR-15...

450 Bushmaster Caliber16" Black Nitride Barrel7075-T6 Forged Aluminum Upper Receiver15" Free Float Key-Mod Rail SystemLow Profile, Carbine Length Gas System (DGIS)A2 Style Compensator

5.56NATO/223 RemingtonComplete Upper Receiver16" Combat Barrel9.5" M76 HandguardA2 Flash Hider Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is

Optics Ready upper receiver assembly5.56 NATO (accepts .223 Remington)16in M4 profile barrelA2 HandGuardA2 Flash HiderStandard Charging HandleStandard Bolt Carrier Group