Warhead Airsoft Silicone Oil in a 1 oz bottle. Perfect for cleaning your airsoft gun, gas gun, lube, etc. This is the best oil on the market, hands down. This isn't cheap imported oil that will gunk your gun up! It's made in the USA by Dupont Chemicals, to ensure pure oil without any additives. Very clean and pure oil for use with all airsoft products and gas magazines.