Brownells 9mm 400 Grit Chamber Hone

The Brownells 9mm 400 Grit Chamber Hone is a precision gunsmithing tool designed to polish and smooth firearm chambers for improved reliability and performance. Specifically sized for 9mm chambers, the 400 grit abrasive removes tool marks, light rust, and rough spots without altering critical chamber dimensions. Ideal for gunsmiths and serious shooters looking to achieve a smooth, consistent chamber finish.