REAL AVID Gun Boss® - Universal Flex Rod KitGun Boss Universal Cleaning Kit RUGGED & READY UNIVERSAL CLEANING KIT The 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