Q Plan-B Tirant Mount Copper. As you'd expect we accomplish this by utilizing tapers on both the Cherry Bomb and the Plan-B mount. This provides a better lock-up thanks to increased surface area guarantees improved alignment of your silencer and protects your threads from carbon exposure. No shims washers latches springs gimmicks or timing of the muzzle device required Specifications for Q Plan-B Tirant Mount: Manufacturer: Q Color: Copper Additional Features: AAC Ti-Rant 9 & Ti-Rant 45 Package Contents: Q Plan-B Tirant Mount Q PLAN-B-TIRANT: Plan-B Tirant Mount Copper