RUGER Precision 90590 Hybrid Muzzle Brake, Steel, Black, Matte

Reduces recoil by as much as 58% depending on caliber and barrel length contributing to improved accuracy over a longer string of fire. Brake locks into position using an easy-to-use external jam nut. Reduces noise and blast to the sides of the shooter. Installs quickly using a 7/8 in box wrench or crescent wrench. Manufactured from alloy steel with a matte black finish. Fits all Ruger Precision rifle calibers 308 Win, 6.5 Creedmoor and 243 Win. Threads 5/8 x 24. Dimensions 2.2 in L, 1 in Dia, weight 3.2 oz. Made in the USA.