AR15 Barrel 16" M4 Profile .223 Wylde Carbine Gas System 1:7 Twist
AR15 Barrel 16" M4 Profile .223 Wylde Carbine Gas System 1:7 Twist, This 16" M4 contour profile barrel is made of 4150 chrome moly vanadium steel with a parkerized finish, a carbine length gas system with a 1:7 twist rate. The barrel is chambered in.223 and machined with M4 feed ramps in the barrel extension. 16" M4 Contour Barrel 4150 Chrome Moly Vanadium Steel Parkerized Finish 1:7 Twist .223 Wylde Caliber Carbine Length Gas System