The Otis I-Mod cleaning system keeps your rifles clean, clear, and ready to go. The I-Mod system contains everything you need for a quick, one-pass clean to a full breakdown. The dual caliber cleaning system cleans and maintains rifles with three different cleaning methods, including the Ripcord for a quick, one-pass clean, solid rods and everything you need for a Breech-to-Muzzle clean with our Memory-Flex cables, 100% cotton patches and brass components.Note: 308 model only comes with one caliber of cleaning tools. Features Keep rifles clean and ready to goQuick, one-pass cleaningDual caliber cleaning system