stainless steel 416R 5.56/.223 7.5 inch barrel 1x7 twist

7.5 inch stainless steel 416R 5.56/.223 wylde barrel shoots both 5.56 and .223 rounds 1x7 twist m4 contour m4 feed ramps pistol gas length uses a .750 gas block ( not included) 1/2x28 thread pattern