Ruger Radial Port, Rug 90486 Radial Port Muzzle Brake 223cal

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.Finish: Black OxideModel: Radial PortMaterial: Alloy SteelThread Pattern: 1/2"-28 tpi