Brownells .22 Magnum 400 Grit Chamber Hone

The Brownells .22 Magnum 400 Grit Chamber Hone is a precision gunsmithing tool designed to polish and smooth firearm chambers for improved reliability and function. Specifically sized for .22 Magnum chambers, this 400-grit hone removes tooling marks, light rust, and surface imperfections to ensure consistent cartridge feeding and extraction. An essential tool for gunsmiths and serious shooters looking to optimize chamber finish quality.