Dead Air Silencers P-Series Pyro 2.0 with SD500 Booster and .45 Cal Front Cap. 0 Muzzle Brake Kit is a high-performance solution for shooters seeking reduced recoil and flatter shooting with their .45 caliber firearm. Designed to install quickly over any Keymo muzzle device this brake transforms your setup into a fully functional recoil-reducing system in seconds. It comes with a DA451 KeyMicro Adapter and a .45 caliber P-Series front cap which is interchangeable with other P-Series caps. Specifications for Dead Air Silencers Dead Air Pyro 2.0 Muzzle Brake: Manufacturer: Dead Air Silencers Color: Black Caliber: .45 Cylindrical Condition: New Features of Dead Air Silencers Dead Air Pyro 2.0 Muzzle Brake Kit: Muzzle brake for .45 caliber firearms Installs over Keymo muzzle devices Includes DA451 KeyMicro Adapter Ships with .45 caliber P-Series front cap Front cap is interchangeable with other P-Series caps Package Contents: Dead Air Silencers Dead Air Pyro 2.0 Muzzle Brake Kit Dead Air Silencers DA466B: P-Series Pyro 2.0 with SD500 Booster and .45 Cal Front Cap