The Dead Air Pyro 2.0 Muzzle Brake Kit with DA457 Xeno Adapter is built for .45 caliber rifles, delivering a dramatic reduction in felt recoil for flatter, more controlled shooting. It includes a .45 caliber P-Series front cap, which is interchangeable with other P-Series caps for added adaptability. The Pyro 2.0 installs effortlessly over compatible muzzle devices, turning your flash hider setup into a fully functional brake in seconds. Designed to enhance performance without focusing on flash suppression.