The AR-15 Cleaning Kit is the 100% Accurate way to clean! It contains 6 precision brushes including the gas tube brush (cleans withour disassembly), upper receiver, chamber brush, bolt carrier, .223 bore brush, and bolt carrier key tube brush. The kit also contains the Eliminator Bore Cleaning Rope and Eliminator Cleaning Tool & extention rod, patch puller. It even has a pouch to hold all the components including the cleaners. The recommended solvents include the Iosso Bore Cleaner and the Iosso Triple Action Oil Solution (sold separately). There has never been an easier way to clean!