WMD Guns Muzzle Brake 5.56 1/2x28 Nitromet Black. Formulated by using some of the very most durable and dependable resources in existence these Muzzle Brakes & Compensators from WMD Guns provides you with a product that will give you many years of stability. WMD Guns has been generating high quality merchandise for a number of years and the WMD Guns Muzzle Brake is their particular means of showing you how much they care. At OpticsPlanet we make it our responsibility to receive the perfect product for all your needs and presenting the WMD Guns Muzzle Brake is one thing that we're pleased to offer. Specifications for WMD Guns Muzzle Brake: Manufacturer: WMD Guns Color: Black Projectile Caliber: .223 Caliber Caliber: 5.56mm Finish: Nitromet Threads per Inch: 1/2x28 Features of WMD Guns Muzzle Brake Machined from 4140 bar stock Nitromet Nitride finish Ported for reduce recoil Threaded 1/2 28 56 caliber Breeching end design Package Contents: WMD Guns Muzzle Brake WMD Guns 1-NMMB24: Muzzle Brake 5.56 1/2x28 Nitromet Black