Brownells 7.62x39mm 400 Grit Chamber Hone

Get rid of chamber roughness fast with silicon carbide abrasive balls that polish in minutes. This process cures sticky extraction and enhances cycling reliability. Always use Flex Hone oil to maximize effectiveness and protect your tool. Utilization requires the application of Flex-Hone oil to ensure optimal performance and maintain the integrity of the tool's abrasive surface