The Grizzly Muzzle Brake for Shotguns will reduce recoil a minimum of 60%, and eliminate muzzle rise to stay on target. There are four ports on each side for maximum braking force. Available in 416 Stainless Steel and 7075 Aircraft Aluminum. Coated in Cerakote. For use with buckshot and slugs. High quality. Made custom for any shotgun barrel.