Ultra-thin, highly refined, low residue oil helps maintain consistent accuracy in today’s precision-made, match grade barrels. Use after cleaning the bore to condition and protect the metal. Processed to eliminate the factors that cause oil to gum and congeal. Contains no PTFE, silicones, or synthetics that can leave behind accuracy-robbing residue. Mfg: Western Powders, Inc. SPECS: 6 fl. oz. (177 ml) bottle.