BreakFree BFI Bore Paste 2-Ounce Tube Powder Blast gun cleaner is applicable to all shooters, but especially heavy volume shooters such as law enforcement officers, handgun shooters and clay, trap and skeet shooters. Contains citrus oil and high-pressure, fast acting environmentally safer gun cleaning solvents. Citrus oil is an effective oil and grease cutter used in hand cleaners and detergents. Works immediately without disassembly and leaves gunmetal brilliantly clean and free of oil, grease, plastic streaking and gunpowder residues. Works faster, better, safer; environmentally friendlier. Pleasant citrus odor.