CAT Outdoors Old Dirty Bastard (Inconel, Spooky 1 QD mount). 7.62x39 suppressor (rated up to 7.62 NATO) featuring Surge Bypass technology. 7.20" length, 21.2 oz (Inconel). 1.60" diameter. Min barrel 8" (Inconel for 5.56 NATO). Optimized for 16" AK47 platform. Velocity range 1100-2600 ft/s. Semi-auto rated. DLC finish. 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