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 tight tolerance spaces or between moving parts. Designed to comply with U.S. Army TM 9-1005-211-12 (M1911A1), U.S Army FM 31-70 Field Manual for Cold Weather Operations, U.S. Army FM 90-3/U.S.M.C. FMFM 7-27 Field Manual for Desert Operations and others. Formulated to exceed specification MIL-PRF-680. Environmentally green. Clear reusable plastic bottle with screw top lid and flip top. 4 fl. oz. Bulk packed.