Rig #2 is available in liquid or aerosol. Rig #2 is a specialty gun oil formulated for lubrication and rust prevention. Excellent for use on all firearm metal surfaces to displace moisture, prevent rust and lubricate moving parts. Rig #2 will not harm painted surfaces, plastics, rubbers or the plated surfaces found on modern firearms.Rig #2 will not gum up or attract dirt.