DoubleStar Carlson Tac Comp Muzzle Brake Black. These Muzzle Brakes & Compensators designed by the experts at DoubleStar are constructed from a solid one piece design with a 18 included conical bore and 9 tapered cone shape contoured inside to allow muzzle blast gas to disperse in an even outward pattern. The Doublestar Carlson Tac Comp Rifle Muzzle Brake also adds extra weight to the end of a short barrel to provide better muzzle control which is essential in competitive shooting arenas and in areas with high target pressures. Equip your weapon with a Doublestar Carlson Tac Comp Muzzle Brake Threaded to fit 1/2 x 28 threaded barrels. Specifications for DoubleStar Carlson Tac Comp Muzzle Brake: Manufacturer: DoubleStar Color: Black Finish: Black Nitride Threads per Inch: 1/2x28 Gun Make: AR Platform Gun Model: AR-15 Package Contents: Doublestar Carlson Tac Comp Muzzle Brake What firearm models does the manufacturer say DoubleStar Carlson Tac Comp Muzzle Brake is compatible with? The manufacturer says that DoubleStar Carlson Tac Comp Muzzle Brake is compatible with AR-15DoubleStar CC450: Carlson Tac Comp Muzzle Brake Black