CAT Outdoors Johnny Law (Inconel, 1.375x24 HUB). Precision .308 sniper suppressor using Sniper2 technology with timed pressure compartments for exceptional sound reduction. 8.20" length, 11.4 oz (Ti). 1.75" diameter. Min barrel 16". 7.62 NATO caliber. Velocity range 2200-2900 ft/s. Optimized for 20" precision rifle platforms. DLC finish. Includes 5/8x24 direct thread mount. 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