Resilient Simple Man. Well-rounded 7.62 suppressor in a small, lightweight package. HUB compatible (1.375x24). 13.4 oz. 17-4 stainless steel construction. Exceptional cross-caliber sound suppression. Barrel restrictions: 22" for .300 PRC/.300 WM/7mm Mag, 14.5" for .308/6.5 CM, 10.3" for 5.56, 7" for .300 BLK supersonic, 5" for .300 BLK subsonic. Full-auto rated under 1000°F. Note: If this product is reflected as in-stock it means it's either physically in-stock or allocated and available (serial number is assigned) at my distributor