HUNTACE Keep your firearm in peak condition with this 10-pack of chamber brushes, designed specifically for 5.56MM/.223 caliber and 7.62/.308 caliber rifles. Each brush features standard 8-32 threads, ensuring compatibility with most standard cleaning rods and kits. The dual-bristle construction combines bronze and nylon bristles to effectively scrub away carbon buildup, and residue from the chamber. Whether you're a competitive shooter, a hunter, or a responsible gun owner, regular chamber cleaning is essential for reliable performance and longevity of your firearm. This generous 10-pack means you'll always have a fresh brush on hand, making it ideal for range use, armories, or anyone who maintains multiple firearms. Each brush is neatly packaged in a convenient tray box for easy storage and access. Stock up and ensure your rifle's chamber stays clean and ready for action every time.