The VG6 Gamma 5.56 is a High Performance Muzzle Brake for Eliminating Recoil. For discerning users looking for every advantage we offer the Gamma556. The VG6 GAMMA 556 was designed using state of the art engineering techniques, utilizing CFD (Computational Fluid Dynamics) and CAE (Computer Aided Engineering). 100% CNC machined for optimal performance. The VG6 GAMMA 556 is a muzzle brake and compensator hybrid. It virtually eliminates recoil and minimizes muzzle movement.