Broke down and ordered a Mack Bro's mb762s to use on the RPR and the grendel build.
Other than the quality of the two muzzle brakes I have - haven't heard much feedback on them. The guys at silencer shop spoke highly of them and the price was right so I went on and bought one.
Other than the quality of the two muzzle brakes I have - haven't heard much feedback on them. The guys at silencer shop spoke highly of them and the price was right so I went on and bought one.