Airtech Studios G&G ARP9/556 BEU (Battery Extension Unit)
- Airtech Studios - BEU (Battery Extension Unit) for ARP-9/556 is a battery compartment extender designed to fit the G&G ARP-9/556 which allows the use of a wider range of larger batteries.
- The case is constructed from thick Polymer and clips directly onto the existing battery storage compartment as a simple drop in upgrade, and features walls which match the thickness of the existing battery compartment to increase its resistant to Shock and Impact Damage.
- The sides of the Box allow for the use of the Sliding Stock, and caters for larger sized batteries. This is the perfect purchase for any Airsoft Skirmisher who owns a G&G ARP-9 or ARP-556 and always wanted to use larger/longer batteries.