OCL Infinity 7.62 (Black). DMLS 3D-printed 718 Inconel .30 caliber suppressor with adjustable back pressure via interchangeable end caps. Comes with 3 end caps: solid 5.56 (highest back pressure, maximum quiet), vented 7.62 (lowest back pressure for gas-sensitive platforms like MCX/SCAR/AR10/AK), and solid 7.62 (middle ground for bolt guns and subsonic .300 BLK). 1.375x24 HUB threads — mount not included (BYOM). Optimized for both 7.62 and 5.56 performance. No barrel length restrictions on magazine-fed guns. Extremely durable construction. 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