Dead Air Ghost-M. Modular multi-caliber pistol/subgun suppressor. Full length: 8.75", 12 oz. Short config: 6.2", 9.6 oz. 1.375" diameter. 17-4 stainless steel, titanium, and 7075 aluminum construction. Full-auto rated. Handles .22 LR through .45 ACP, plus 10mm, .357 Mag, .44 Special, .300 BLK subsonic, and more. Cerakote finish. Short config is the smallest and quietest .45 can in its class. Piston not included. Lifetime warranty. 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