Brownells .243 Winchester 400 Grit Chamber Hone

The Brownells .243 Winchester 400 Grit Chamber Hone is a precision gunsmithing tool designed to polish and smooth rifle chambers for improved function and brass fit. Purpose-built for the .243 Winchester cartridge, this chamber hone uses 400 grit abrasive to remove tool marks, light rust, and surface irregularities from the chamber walls. Ideal for gunsmiths and serious shooters looking to improve extraction and overall chamber quality.