Otis Technology Defender Series Gun Cleaning Kit (Select Your Caliber) Contains all the tools needed for proper Breech-to-Muzzle cleaning  such as Memory-Flex cables, bore brush, slotted tip, and patches. Originally developed for the soldier, is now available for hunters and shooters. It features a Ripcord for quick, one-pass cleaning. It also includes an all-purpose receiver brush, and solid rod sections*.