The CMMG ZEROED 45 ACP Linear Comp is the practical solution for a high-functioning muzzle device in a compact size. Redirecting muzzle blast forward while reducing rise will make for a first-rate shooting experience with the CMMG ZEROED 45 ACP Linear Comp. Threaded .578-28 and CNC machined from 303 Stainless Steel with a Nitride finish, the CMMG ZEROED 45 ACP Linear Comp is an uncompromising barrel accessory that will complete the look of your gun and up-level any shooting experience.**Patent(s) Pending**