Real Avid Gun Boss Pull Through Universal Cleaning KitThe Real Avid Gun Boss Universal Cleaning Kit is a pull through system that cleans and protects firearms by pulling fouling out of the muzzle, rathan than back into the chamber and action. It comes in a compact, weather resistant, moded 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.