The Arese XL Muzzle brake. Engineered and manufactured by Falkor Defense, with the intention of reducing recoil and muzzle rise as much as possible. This 4 port muzzle device comes with a self timing nut, allowing you to install it onto your barrel without the use of shims or crush washers. The brake is finished with a black nitride coating and laser engraved with the Falkor flame logo. 5/8×24 threads.