Pro-Shot Pro-Gold Grease is a specially calibrated formula for firearm lubrication and protection that's used and sought after worldwide. Pro-Gold Lubricant offers superior performance on stainless, chrome-moly, nickel, and blued firearms. It prevents metal wear when used on the action, locking lugs, frame rails, and hinge pins and even on reloading tools. Pro-Shot's anti-wear formula features an extreme pressure additive that's also heat resistant and water resistant. It can operate in temperatures between 0° F and 500° F. It's also great for fishing tackle and compound bows. Packaged in a plastic syringe for easy application.