16 Inch .223 Wylde 1:8 Twist M4 Barrel
16 Inch .223 Wylde 1:8 Twist M4 Barrel, 16" M4 barrel Chambered in .223 Wylde. Carbine gas system, 1:8 twist .750 at the gas block. 1/2x28 threads 16" M4 barrel Chambered in .223 wylde Carbine gas system, 1:8 twist .750 at the gas block. 1/2x28 threads Capable of shooting 5.56 NATO and 223 Remington.