YHM SLANT MUZZLE BRAKE/COMP .308 5/8X24 THREADS FEATURES -.30 cal. muzzle brake & compensator hybrid -Designed to reduce recoil & muzzle rise for a quicker follow up shot -Made from quality heat treated steel -Plated with Melonite QPQ (matte black finish) -Threaded 5/8"-24 -Includes crush washer