Real Avid Gun Boss® Universal Cleaning KitThe Gun Boss pull through system cleans and protects firearms by pulling fouling out of the muzzle, rather than back into the chamber and action. It comes in a compact, weather resistant, molded case. Non marring aluminum connectors and adapters, phosphor bronze brushes, and coated steel cables protect your bores. Every tool snaps securely into place on the high quality, oil resistant tray. Fits . 17 . 45 cal., 20 ga. & 12 ga. Features: 1 rifle