Otis Gun Chamber Cleaning Brush 5.56mm;

The 5.56mm chamber brush is an essential tool for anyone that shoots a 5.56mm rifle. The tapered bronze bristles scrub the chamber, neck and shoulder. Features:- the steel bristles at the base scrub the star chamber of the locking lugs. - the brass stem is cold welded to the core, and the tip is folded, not cut. The chamber brush has a standard 8-32 thread.""