A special high-quality formula grease engineered for firearm lubrication and protection. Superior performance on stainless, chrome molly, nickel, and blued firearms. *Prevents metal wear in the following areas: bolt action locking lugs, actions, frame rails, shotgun hinge pins, reloading tools, bearing, gear & camming surfaces. *Pro-Gold Lubrication benefits: Easy to apply, clings to metal surfaces, doesnât gum up, extreme heat resistance, water resistant. Temperature operating range: 0Â° F to 450Â° F. *Pro-Shot's superior Anti-Wear and Extreme Pressure additive package makes this an excellent product for any metal to metal wear surface points. Pro-Gold also displaces moisture. **Excellent for: Firearms, reloading tools, sports equipment, fishing tackle, compound bows.