Muzzle threading is performed on the lathe with a single point carbide threading tool. The barrel is indicated coaxially to within 0.0002″ of bore centerline. Threads are cut to a class 3A fit. Threads are gaged with calibrated ring gages.
Muzzle threading is performed on the lathe with a single point carbide threading tool. The barrel is indicated coaxially to within 0.0002″ of bore centerline. Threads are cut to a class 3A fit. Threads are gaged with calibrated ring gages.