Barricade rust protection rapidly drives out moisture from metal pores and deposits a transparent protective coating which seals the surface. It's the best way to protect your firearms from rust. Withstands 500 hr in ASTM humidity test and 96 hr in sat salt spray test. Barricade rust protection is also an excellent penetrant for loosening rusty or frozen parts, as well as a good lubricant and an effective bore cleaner. Take your pick of how you'd like to protect your firearms with a variety of can options. It's never been easier.