Specially formulated to remove dirt, fouling, grease and oil quickly and easily. Firearm Cleaner-Degreaser Aerosol uses a high-pressure spray to clean metal surfaces fast, with a quick drying time that leaves no residue. It?s a safe, easy and effective way to clean your firearm thoroughly or as a preparatory cleaner for blueing or browning.*** Note: THIS PRODUCT CAN NOT BE SHIPPED INTO THE STATE OF CALIFORNIA, DUE TO CARB (California Air Resource Board) RESTRICTIONS!***