All Hawkins Precision products are manufactured under rigorous quality standards to insure you get the highest quality product on the market. We manufacture all of our products on cnc machining centers to guarantee consistency from one part to the next. Every Hawkins Precision muzzle brake is turned, drilled and single point threaded in the same operation to guarantee concentricity between the threads and the pilot hole to insure superior accuracy out of your firearm.  Not only do we maintain true concentricity we also manufacture all of our brakes with a class 3B thread to guarantee that it will be concentric to the bore of your rifle.