All in One Gun Cleaner: Cleans firing residue and other contaminants from the bore, moving parts and exterior of firearms while simultaneously reducing friction and protecting from corrosion; Reduces metal-to-metal wear by protecting treated surfaces with an advanced boundary film; Clean, Lubricant and Preservative: Protects metals with special rust inhibitors; Originally developed for the Military and proven in the world's most extreme conditions; Performs in temperatures ranging from -65 F to +475 F, and after saltwater immersion