Lucas Oil Extreme Duty Gun Lubrication - 8oz - Lucas Extreme Duty Gun Oil offers superior burn-off resistance. Its polymeric film protects metal from rust, moisture and dramatically reduces wear during all shooting conditions. Applying Lucas Extreme Duty Gun Oil to bores, bolt carriers and gas pistons makes clean-up of powder residue, copper and carbon fouling a much easier task. Apply a light coat to make cleaning quicker and easier. It neutralizes acids from fingerprints and resists drying for long term storage use. Lucas Extreme Duty Gun Oil is great for lubrication on all high heat high use firearms and NFA items. Protects metal parts from rust wear and moisture during extreme conditions Provides maximum heat resistance for reliable performance Superior blowback resistance keeps oil out of your face and off your glasses Ideal for lubrication on all high heat high use firearms and NFA items Neutralizes acids from fingerprints and resists drying for long-term storage use