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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Includes a M4 450 rnd hicap magazine
42 inch long with fit all M4 carbines and most rifles below Sniper length
Licensed by Umarex and H&K
Fits on AEGs
Airtech Studios G&G ARP9 / ARP556 BEU Battery Extension Unit hicap Includes a M4 450 rndThe 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,
