NUPROL 2.0 Mini GREEN 85g Gas. Green Gas used to fill Airsoft Gas Blowback Pistols and Weapon Magazine created by NUPROL and designed to be cleaner, with higher performance than WE Europe’s old Green Gas. The gas comes in a smaller bottle than the traditional NUPROL 2.0 Gas, which is designed to fit into pouches and pockets for easy carrying during an Airsoft Skirmish. Give your FPS a boost, whilst keeping everything running smooth and clean. The Gas is an excellent all year round gas from NUPROL. This gas is a must have for any Airsoft Skirmisher who has a Gas Blowback Pistol, Carbine or Rifle and wants to re-gas their magazines in the field, allowing them to play for longer without having to go back to the safe zone to re-fill magazines.