Cleaning your firearm just got a whole lot easier and faster thanks to Birchwood Casey’s Gun Scrubber firearm cleaner. Gun Scrubber firearm cleaner is a pressurized, fast-evaporating firearm cleaner that effectively cleans internal metal firearm parts and firearms. While safe for firearm use, the solvent may harm finished surfaces, plastics, laminates, composites, rubber grips, or other materials used in the construction of today’s firearms. Always test in an inconspicuous area to ensure the product will not harm surfaces.