Birchwood's muzzle magic no.77 cleaner prevents rust and loss of accuracy from blackpowder fouling by cleaning your muzzleloader.The water-soluble cleaner is safe for use with natural lubricants.It effectively dissolves powder residue and loosens any metal traces for easy removal.Flip top for no spill cleaning.Type: Black Powder SolventSize: 16 ozQuantity: 1Material: Water-Based SolventProtects: Against Fouling/RustSuitable For: Black Powder/MuzzleloaderHazair: Yes