Q LLC s Plan-B Silencer Mount delivers a rock solid interface between your rifle and silencer, and eliminates the possibility of launching your suppressor downrange due to a faulty connection. It works in conjunction with Q s Cherry Bomb muzzle brake, both the Plan-B and the Cherry Bomb are outfitted with special tapers to provide a better lockup by the increased surface area. This design also improves the suppressor s alignment and protects the threads from carbon exposure. The Plan-B Mount also eliminates the need for shims, washers, latches, springs, or timing of the muzzle device. In addition, the Plan-B is available for a wide array of different suppressors. Product Features Solid interface between suppressor and rifle Eliminates possibility of launching suppressor down range Works in conjunction with Q s Cherry Bomb Eliminates the need for shims, washers, latches, springs, or timing of the muzzle device