Functional Fluid, Lubricant, Grease (including Additives)

Lucas Extreme Duty Gun Oil is designed for firearms that experience high volume, full auto and suppressed fire. It provides unmatched, burnoff-resistant protection unlike any other multi-purpose gun oil. Polymeric film protects metal parts from rust, wear and moisture during extreme conditions. It neutralizes acids caused by contact from human hands and resists drying during long periods of storage. Provides maximum heat resistance. For use on bolt carrier groups and all other moving parts. Provides protection from -38°F to 400°F.