Birchwood Casey Barricade Rust Preventive 10oz Aerosol Protects your firearms from rust Deposits a transparent coating which seals the surface with a protective film Available in spout or aerosol cans Rust Preventative does not contain silicone or any waxes Will not harm plastics or rubber materials Acts as a penetrant for loosening rusty or frozen parts, as a lubricant, and as a bore cleaner