This Clutch-Lok QD mount doubles as a flash hider for our 7.62MM SLH/SLX suppressors. It offers a quick and simple attachment of your suppressor and reduced muzzle flash when the suppressor is removed. – Barrel Interface: 90-degree taper for use with non-SIG SAUER barrels. – Overall Length: 2.1 inches – Threads: 5/8 in-24 tpi – Weight: 3.3 oz – Material: Stainless Steel – Technology: Clutch-Lok QD – Type: Flash Hider – Barrel Interface: 90-degree shoulder – Caliber: 7.62 NATO