SIG SAUER Clutch-Lok QD Muzzle Brake 7.62mm 5/8x24 90 Degree Shoulder Black SL76258X2490DEGM. 56MM SLH/SLX suppressors and 7.62MM SLH/SLX suppressors. It offers a quick and simple attachment of your suppressor and less felt recoil when the suppressor...