Brownells Chamber Brush, Bronze, .222/.223 Rem/300 AAC, 3-Pack

This bronze chamber brush is shaped to clean the chamber of .222, .223 Remington, and 300 AAC Blackout rifles, reaching carbon buildup that a bore brush passes over. Clean chambers help maintain reliable feeding and extraction on these popular AR-platform calibers. The 3-pack keeps your AR cleaning kit complete.