The Strike Industries King-Comp is a high-quality AR upgrade that features a dual chamber design, engineered to reduce felt recoil and help reduce the side concussion with the specifically angled gas ports. The K-Comp is a great alternative for a cross between a compensator and a muzzle brake or effective "combo" muzzle device. Features: a Dual chamber design to reduce felt recoil a Specifically angled gas ports to cancel side concussion. a Serrated prongs for barbed wire removal a Heavy duty steel construction with parkerized finish