This Chamber Brush is essential for anyone that shoots an M4/M16/AR15. The aggressive bronze bristles of the Otis chamber brush scrub the chamber, neck and shoulder. The steel bristles at the base scrub the star chamber of the locking lugs. The chamber brush has a standard 8-32 thread.

Features:
For use on: .223Caliber/5.56NATO
Standard 8-32 Thread
Bronze Bristles