Slip 2000 Black Powder Cleaner will dissolve carbon and burnt on powder residue, and lift plastic and lead left behind by most other cleaners on contact. Recommended for use on all Muzzleloaders and Black Powder Cartridge Rifles User Friendly Slip 2000 cleaners are what we like to call "user friendly." Our cleaners are safe to handle, release no harmful fumes, and won't stink up your home or workshop. Despite being safe to handle, our cleaners are very effective in cleaning some of the toughest grime, carbon, and buildup. Effective Slip 2000 cleaners will cut through greaase, grime, carbon, and powder fouling to give you a clean metal surface ready for your choice of lubricant.