Brownells 3" .38 Caliber/.357 Cal/.40 Cal/10mm Non-Handled Muzzle Crowing Lap

When paired with 600 grit silicon carbide abrasive and a hand drill, the brass laps produce a visually appealing, polished crown on both pistol and rifle barrels. This combination ensures a smooth and refined finish, enhancing the overall appearance and performance of the firearm. Non-handled muzzle crowning lap with a 1/4 inches tip radius