G&G CM16 ARP9 & ARP556 BEU Battery Extension Unit Elite Force / Umarex or when used for storage

or when used for storage

1x large mesh front compartment

Airsoft green gas is propane with a silicone based oil added to the green gas lubricating O-rings and seals inside airsoft gas products preventing them from drying out and leaking

or next-day air services

20 gram and

G&G CM16 ARP9 & ARP556 BEU Battery Extension Unit Elite Force / Umarex or when used for storageThe Battery Extension Unit (BEU) is designed speciallly for the G&G ARP9 556 series used to connect a larger battery to the gun while keeping it external to the gun's body. This allows players to use higher capacity batteries for longer gameplay without compromising the aesthetics or functionality of the airsoft gun.