Check the listing for details. Q Cherry Bomb Muzzle Brake - 1/2x28 TPI. Condition: New. Listed at 109.95 USD. The Cherry Bomb by Q® is a Quickie? Fast-Attach muzzle brake. It features our taper mount shoulder to align with our barrels, uses a 1/2 inch socket on the front for easy install and removal, and features 360° circumferential ports to alleviate the need for timing and shims. Backwards compatible with standard 90 degree shouldered barrels. SPECS WEIGHT: 2.0 oz. OVERALL LENGTH: 1.64 inches MATERIAL: 17-4 Stainless Steel LENGTH ADDED TO BARREL: 0.8 inches 1/2-28 (.250 INCH BORE) MINIMUM SQUARE SHOULDER BARREL DIAMETER: .720 RECOMMENDED SQUARE SHOULDER BARREL DIAMETER: .750 RECOMMENDED TOOLS We have seen a wide range of outside diameters for 1/2 inch sockets. 1/4 inch drive sockets are generally the best for Cherry Bombs, though we have 1/2 inch drive sockets that work as well. **NOTE: The Cherry Bomb by Q is too short and NOT recommended for pinning and welding to a barrel.