Reduces muzzle brake with the aid of 4 ports on top. The 2 ports on either side direct gas horizontally keeping recoil to a minimum. The front three prongs help direct the remaining gas and concussion forward from the shooter. All these elements make up a very comfortable muzzle brake for indoor and outdoor shooters. Where other muzzle brakes direct gas only horizontally MFTs comp takes it a step further.Features :2 port design416 stainless steelBlack nitride finishCrush washer included