The YHM Victra-12 shotgun suppressor features a modular design allowing you to remove sections for optimal sound suppression, firearm balance, weight and length. In the full 12-inch configuration, it reduces most commercial shotgun loads to 135 dB at the shooter's ear. Attaches via factory choke threads using VICTRA Mounts. Includes two 12-inch assembly rods, Improved Cylinder choke, and multi-use wrench. Available in 12, 10, 8 and 6 inch configurations. 12 Gauge, max 3.5 inch shells. Made from 7075-T6 Aluminum and 17-4 PH Stainless Steel. 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