Colt Ar-15 Barrel 5.56mm Nato Government

This genuine Colt 11.5" Heavy Profile Barrel epitomizes modern warfare's need for speed and mobility – AND it's ready to install on your next AR-15 pistol or SBR. The barrels is forged from ordnance-grade carbon steel, with a chrome-lined bore and chamber, plus a traditional matte black Parkerized finish. The Colt 11.5" Heavy Profile Barrel comes with the barrel extension, M4-type (round) front handguard cap, and front sight tower/gas block ALL installed. The gas port is drilled for a carbine-length gas tube – giving you an extra measure of reliability in a pistol build. 1-7" rifling twist 1/2"-28 tpi muzzle threads Front sigh Mfg: Colt