SilencerCo Alpha MAAD Brake 2.0 Black Anodized Aluminum 2in OAL 1.45in Diameter Aluminum. 0 is the perfect hub for all of SilencerCos accessories. The MAAD Brake 2.0 minimizes recoil and muzzle climb without adding excessive length at just 2.235. Its a great option for shooters who want to keep their overall profile compact but still reduce recoil. Specifications for SilencerCo Alpha MAAD Brake 2.0: Manufacturer: SilencerCo Color: Black Finish: Anodized Fabric/Material: Aluminum Outer Diameter: 1.45 in Length: 2 in Package Contents: SilencerCo Alpha MAAD Brake 2.0 SilencerCo Alpha MAAD Brake 2.0 Black Anodized Aluminum 2" OAL 1.45" Diameter AC5447