Delta V Xenos Muzzle Brake 5.56x45mm NATO/.223 Remington/6mm Creedmoor 1/2x28 Raw Bronze XB-001-A. 223 and 6mm cartridges - 28 thread two-port 5.56/.223/6mm. The Xenos has an overall diameter of 0.749 allowing users to remove their gas block without...