Flitz is a non-abrasive, non-toxic, non-flammable polish that is acid free and won't leave a residue. You can use Flitz to polish any of your new aluminum products, shine the factory gun bluing, or to clean lead and gun powder residue from your firearms! When finished with your firearms products, take it around the house and garage. Flitz safely cleans and polishes brass, copper, chrome, stainless steel, gold, platinum, painted surfaces, and more. The uses are endless!