Imaginea | A mirror clean Borea | That is exactly what you get with this powerful concentrated Blue Wonder gun and bore cleaner. It adheres to the surface of the bore for deep cleaning action. In the bore, it completely removes copper and lead deposits, powder residues, and plastic build-up. It also removes black powder corrosion, leaving a chemically clean, bare metal surface - in minutes! In addition, Blue Wonder Gun Cleaner will remove rust from the exterior finish of a gun and it will not harm or affect the bluing! Add to that, it is completely non-toxic and bio-degradable! Features Powerful Concentrated Gel - Sticks to inside of the bore to work more effectivelyRemoves copper fouling Removes lead fouling Removes rust without harming bluing Removes plastic buildup from shotguns Removes oil from oil-soaked stocks Safe for ALL firearms including polymer frames Non-Toxic Biodegradable Non-Flammable