Infinite Product Solutions Gen 1 QD 3-Port Muzzle Brake 9mm Luger 1/2x36 Black Phosphate. Enginnered from 4140 steel this muzzle brake is designed to elevate your shooting experience regards to recoil and sound. Whether you're at the range or on the field its innovative features ensure superior performance safety and durability. This muzzle brake is compatible with all Infinite brand sound redirect sleeves or with applicable tapered sound redirect adapters. The easy-to-read thread size engraving make it's easy to get the quick specs of what your installing ensuring you grab the right muzzle for the right job. The black phosphate or black oxide finish adds a premium look ensuring your firearm not only performs exceptionally but looks stunning too. This muzzle brake is also water and corrosion resistant making it as tough as it is sleek. It's your key to an Infinite new world of innovative firearm accessories managing sound and felt recoil for quicker target acquisition and more enjoyable firearm handling. Specifications for Infinite Product Solutions Gen 1 QD 3-Port Muzzle Brake: Manufacturer: Infinite Product Solutions Color: Black Caliber: 9mm Luger Fabric/Material: 4140 Steel Length: 2.4 in Weight: 2.048 oz Last Chance: Yes Width: 1 in Height: 1 in Features of Infinite Product Solutions Gen 1 QD 3-Port Muzzle Brake Quick disconnect (QD) external threads for reliable installation of Infinite brand Sound Redirect Sleeves and accessories (sold separately) Manages felt recoil for quicker target acquisition and safer firearm handling Bore diameter is .30 larger than the caliber size for optimized performance and safety Precisely engineered and manufactured Easy-to-read engraving indicating thread size Water and corrosion resistant It looks stunning the shooter's key to a whole new world of Infinite accessories Package Contents: Infinite Product Solutions Gen 1 QD 3-Port Muzzle Brake x1 Crush Washer Infinite Product Solutions 3-G1-4140-PHO-1236-CW: Gen 1 QD 3-Port Muzzle Brake 9mm Luger 1/2x36 Black Phosphate