INSTALLATION GUIDE for the Defcon 1 Rock Island Armory Shotgun Thread-On Muzzle Brake - M24 X 1 threading
GGW Defcon 1 Rock Island Armory Shotgun Thread-On Muzzle Brake reduces recoil by a minimum of 60% while keeping the muzzle flat in order to maintain target acquisition, shot after shot. The Defcon 1 is made of the highest quality materials and workmanship to deliver high performance and recoil reduction, keeping you on target, while increasing accuracy. Available in 416 Stainless Steel and 7075 Aircraft Aluminum; coated with durable and impact resistant Cerakote paint. Grizzly Gunworks Thread-On Muzzle Brakes are made custom for your Rock Island Armory shotgun; according to your specifications, therefore, producing a uniquely designed Muzzle Brake to perfectly fit your Shotgun. Grizzly Gunworks Thread-On Muzzle Brakes are customizable offering a minimum of seventeen colors and finishes, as well as, colored high strength machine bolts. Quickly and easily install your Thread-On Muzzle Brake with zero gunsmithing or washers required. You are purchasing a Shotgun Thread-On Muzzle Brake that is made for a barrel with external muzzle threading. Grizzly Gunworks offers Muzzle Brakes for threaded and non-threaded shotgun barrels.
BOLTS: Two bolts are INCLUDED with every Thread-On Muzzle Brake purchase. Different colored bolts can be ordered to diversify the look of your Defcon 1 Rock Island Armory Shotgun Thread-On Muzzle Brake. Additional bolts are $10.00 U.S. per two bolts.