I decided to cut the barrel back on my 24″ 308 Winchester to 22″ inches and install a brake. Unlike most of the other brake and chamber work shown on this site, the majority of this installation will occur between centers, rather then through the headstock. Lathes with a small spindle diameter, or short barrel sometimes require this technique. In this case, the barrel is too short to install the brake through the headstock.
This Surefire MB762SSAL/RE muzzle brake is unique in the fact that it requires a 2.145″ long tenon, .775″ in diameter located behind the 5/8-24 thread required to mount the muzzle brake. Cutting this tenon and the threads in one set up will ensure the everything is concentric to the bore.
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Parker Otto (P.O.) Ackley was a well known author and gunsmith who improved standard metallic cartridges by decreasing the body taper and increasing the shoulder angle. These changes provided increased case capacity and increased ballistic […]
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