Ruger's .223 Rem/5.56 NATO Radial Port Muzzle Brake muzzle brake's design reduces felt recoil and muzzle movement. Installs with a 11/16" open end wrench or crescent wrench. Torque the brake to 15-20 ft-lbs, no crush washers are required. *This brake is compatible with AR-556 rifles and other .223 Rem/5.56 NATO caliber firearms with 1/2"-28 muzzle threads. Made in the USA by Swan Manufacturing.
Model : Radial Port
Material : Alloy Steel
Thread Pattern : 1/2"-28 tpi
Finish : Black Oxide
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