16 inch stainless steel straight fluted 5.56/.223 wylde 1x9 twist

16 inch stainless steel straight fluted 5.56/.223 wylde shoots both 5.56 and .223 rounds made from 416R material 1x9 twist m4 feed ramps hbar style carbine gas length uses a .750 gas block ( not included) 1/2x28 threaded