Professional grade. Super strength carbon and metal cleaner. Bio-based, non-toxic, non-flammable, non-petroleum concentrated dry solvent. Used as a high powered degreasing solvent (DS), powder cleaning and rifle bore cleaner (RBC). Engineered to dissolve carbon, clear heavy metals such as chrome and stainless steel. It cleans coatings such as Cerakote, Duracoate, Nickel Boron and QPQ. Leaves the firearm surface clean and extremely dry. It removes heavy surface fouling, stubborn deposits, hardened grease/sand paste, excess lubricant and cleans internal actions of contaminants or extraneous fouling particles and excess lubricant which may have become deposited in t