This cleaner is formulated to rapidly and effectively remove stubborn carbon build-up and dissolve copper fouling in one time-saving step. The 100% ammonia-free, odorless formula is non-corrosive and is safe for all metals and finishes. Use in conjunction with the other Tipton Best 1-2-3 cleaning products; Best Gun Degreaser and Best Gun Oil. Tipton's Best cleaning products make professional firearms cleaning easy. It's not clean until it's Tipton clean.