Nitro Solvent is specially designed for the serious skeet and trap shooter. It neutralizes the corrosive acid residue built up from the plastic shot shells. - 6 oz. aerosol can. - Heavy duty solvents quickly remove leading powder residue and metal fouling for a sparkling clean bore. - Spray can ends loss of effectiveness due to evaporation of solvents and ends contamination due to dirty particles. - Maybe harmful around painted metal plastic synthetic stocks or varnished stocks. - It is recommended that the firearm be re-treated with G96 Gun Treatment G96 Gun Oil or G96 Synthetic CLP Gun Oil after use.