New Metric Razor Pistol and Rifle Carbine Muzzle Brakes
New Razor Metric Threads for Glock (SIG, H&K) Pistol Factory Threaded Barrels: M13.5-1 Left Hand (Metric, Glock Factory Threaded 9mm) M14.5-1 Left Hand (Metric, Glock Factory Threaded 40cal 10mm) M16-1 Left Hand (Metric, Glock Factory Threaded 45ACP) New Razor AR 9mm Rifle-Carbine Thread: 1/2-36 (9mm AR15 Carbine, special thread)