Certified by U.S Department of Transportation. Made in USA. Green Gas is the source of power behind gas blowback airsoft guns.
To fill the magazine or reservoir with the gas you hold the can upside down vertically and match the nozzle with the port (just like an old butane lighter). Fill in "spurts". Since it is a cold gas allow it to expand between sprays. This saves on gas and won't freeze your magazine. The gun will spit when it is full. If the magazines feels to cold--it is--let it warm up! If you are skirmishing we suggest a back-up mag. Cannot be shipped by air.