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MLOK rail design: Customizable and adaptable
36g BBs are a must-have
08mm — Consistent
Versatile Magazine Compatibility
Airtech Battery Extension Unit (BEU) - ARP9/556 Deadly Customs MLOK rail design: Customizable andAirtech Studios BEU Battery Extension Unit (G&G ARP9 ARP556 Black) The Airtech Studios BEU (Battery Extension Unit) for G&G ARP9 ARP556 is the perfect solution to relieve a cramped battery compartment, providing extra room for your MOSFET, fuse, and cables. This extension unit is designed to allow a larger battery capacity, ensuring your airsoft gun has the power needed for all day skirmishes without the risk of overbending and damaging cables.
US$ 99.82
US$ 200.00
US$ 235.00