Bullet Reloading 1 oz MOLYBDENUM DISULFIDE Moly MoS2 Powder SUPER FINE 1-2 micron BEST LUBE GRADE SUPER FINE GRADE, 1 to 2 micrometers (microns, m) average particle size. The finest grade for lubrication. Dry lubrication of metal and plastic contact parts Dry lubrication of locks and door mechanisms. Lubrication of ammunition for reloading. Dry lubrication of firearms.