The Strike Industries Triple Crown-Comp features a three-chamber design, which was engineered to reduce felt recoil and help reduce muzzle rise with the top gas ports. To top it off, the TC-Comp features an aggressive crowned leading edge to be used for self-defense or support for wire cutting capability. The SI Triple Crown-Comp is a great alternative if you're looking for a cross between a compensator and a muzzle brake or effective "combination" muzzle device. Package includes: 1 x Triple Crown 1 x crush washer Features: Three chamber design to reduce felt recoil Top gas ports to mitigate muzzle rise Aggressive sharp crowned Mfg: Strike Industries