Birchwood Casey No. 77 Muzzle Magic Cleaner. Prevent rust and loss of accuracy from black powder fouling. Traditional, water-soluble Cleaner. Safe for use with natural lubricants. Effectively dissolves powder residue and loosens any metal traces for easy removal. Flip-top for no-spill cleaning. 16 fl. ozs. Get yours today! WARNING: This item cannot be shipped to Canada. Please check your State, County and City laws for restrictions before ordering this product. Birchwood Casey Muzzle Magic Cleaner