The VG6 EPSILON 556 is our highest performing tactical muzzle device. The EPSILON 556 is a younger sibling the GAMMA series muzzle brake, but with an attitude that matches its larger size. Designed for the discriminating shooter and professional end-users, VG6 Precision's EPSILON 556 Tactical Brake is brings you the best recoil mitigation the industry has to offer. This is a true combination muzzle brake / compensator / flashhider. It is the only muzzle brake that can substantially reduce muzzle flash while retaining full recoil-reducing properties.