Battle Born High Purity Oil is a blend of the finest high quality synthetic oils available. This blend is treated with extreme pressure and the most effective corrosion inhibitors, anti-oxidant, anti-foam and anti-wear additives on the market. The unique combination provides maximum lubrication and protection for your firearm in the extreme conditions Mother Nature can throw at you. This is a multi-service lubricant and protectant for extended use under high and low temperature conditions (from -90°F to 417°F). Battle Born High Purity Oil is safe to use on all metal, plastic and polymer parts.