Brownells .308 Winchester 400 Grit Chamber Hone

The Brownells .308 Winchester 400 Grit Chamber Hone is a precision rifle chamber polishing tool designed to smooth and true the chamber walls of .308 Winchester chambered rifles. Using 400-grit abrasive, it removes tooling marks, light rust, and surface irregularities to improve case extraction and feeding reliability. Caliber-specific design ensures proper fit and consistent contact throughout the chamber for accurate, controlled polishing results.