Lucas Oil 10006: Used and recommended by major firearms manufacturers, Lucas Oil Hunting Gun Oil is an all-weather, environmentally friendly lubricant. Great for general lubrication on all sporting arms such as pump, over/under and side by side shotguns, bolt and lever action rifles and revolvers. This oil is odorless which makes it ideal for use on hunting firearms. It also prevents jamming and overheating, resists evaporation and penetrates rust freeing stuck parts and actions.