The Fortis Muzzle Brake .30 has unmatched performance and muzzle rise is non-existent allowing for faster and more accurate follow up shots. Designed for .300 Blackout, 6MM ARC, 6.5 Grendel, 6.8 SPC, 300 HAM'R and 7.62x39. Made from 4140 Steel and Nitride coated. Compatible with the Fortis Control Shield. Includes crush washer. Made in America.
Threads: 5/8 x 24 TPI