
Combat Armory Manufacturing Barrel Coating Parkerized Barrel Contour M4 Barrel Length 7.5 Barrel Material 41V50 Chrome Moly Vanadium Steel Caliber Gauge.223 /5.56 Feed Ramps M4
Combat Armory Manufacturing Barrel Coating Parkerized Barrel Contour M4 Barrel Length 7.5 Barrel Material 41V50 Chrome Moly Vanadium Steel Caliber Gauge .223 /5.56 Feed Ramps M4 Gas Seat Diameter .750 Gas System Length Pistol Thread Pattern 1/2 X 28 Twist Rate 1:7 Combat Armory machinist take pride in delivering the very best for our customers used by Military, Police, and Firearms enthusiasts