Colt M4 Commando 11.5 inch 5.56mm Heavy Barrel Assembly w/ Low Profile Gas Block

Description:

Factory Colt M4 Commando heavy profile, 11.5 inch, 5.56x45mm NATO, carbine length gas system barrel. Complete barrel assembly features M4 feed ramp, barrel nut, low profile gas block, and is threaded 1/2-28 for your choice of muzzle device.