MSR/AR Cleaning System. Even with the versatility and rugged construction of modern sporting rifles, conditions in the field or at the range can still be extremely tough on your firearm. Give your rifle a quick, effective cleaning in the field without disassembly, or a thorough cleaning back at the bench with this lightweight system. Designed to clean and maintain all .223 cal. and 5.56MM rifles. 8 and 30 Memory-Flex Cables for effective and correct Breech-to-Muzzle cleaning. Bronze bore brush and Mongoose G2 brush removes copper deposits and other fouling. Specialized precision tools for complete breakdown and fine cleaning of all critical and hard to reach areas of your firearm. B.O.N.E. Tool cleans bolt carrier assembly effectively. O85 Ultra Bore cleans, lubricates and protects in one efficient step. Lightweight soft pack with belt loop for convenient carrying.