Dead Air Armament Ghost 45M, Suppressor, Modular, 22LR/300 Blackout/40 S&W/45ACP/10MM/9MM, No Piston, 17-4PH & Titanium, Black Cerakote Finish GHOST45 Introducing the modular multi-caliber pistol/sub gun suppressor, the .45 Ghost - a centerfire pistol suppressor rated all the way up to 300 blackout sub-sonic. The Ghost(TM) is full auto rated and features a unique patent pending modular design. Break it down to the short configuration and you have the smallest and quietest .45 can in its class. When it's time to be scary quiet, the Long configuration is the way to go. A combination of 17-4 stainless steel, titanium, and anodized 7075 aluminum materials in all the right places ensures rugged reliability and minimum weight.