Brownells 5.56mm NATO Chamber Hone 800 Grit

The Brownells 5.56mm NATO Chamber Hone is a precision rifle chamber polishing tool designed to smooth and clean chamber surfaces for improved reliability and performance. Using 800-grit abrasive, it removes tool marks, burrs, and roughness from the chamber walls without altering critical dimensions. Compatible specifically with 5.56mm NATO chambers, this tool is ideal for gunsmiths and serious shooters looking to optimize extraction and feeding in AR-style and other 5.56mm rifles.