Airtech Studios G&G ARP9 / ARP556 BEU Battery Extension Unit Li-Ion Battery Fits in VSR-10 style Tokyo

Fits in VSR-10 style Tokyo Marui airsoft sniper rifles and Bar-10 style clones with the Zero trigger installed

This is not a drop-in for G36 gearboxes

look no further than the NcStar Plate Carrier

This upgraded SSS mosfet model has the programmable three round burst and low voltage detector

Airtech Studios G&G ARP9 / ARP556 BEU Battery Extension Unit Li-Ion Battery Fits in VSR-10 style TokyoThe Airtech Studios G&G ARP9 ARP556 BEU Battery Extension Unit is designed to fit on G&G ARP series of AEG guns: fits on the ARP9 and ARP556. Very easy to install so you can add longer and bigger batteries in your rear stock buffer area. With it installed, you can use 9. 6v 1600mah nun chuck, and any longer 11. 1v batteries in it, with extra room to spare. This is a must have for those that want flexibility with battery space. For the ARP9 and ARP556,