The BEU is designed to fit beautifully with the ARP9's original design by sitting seamlessly inside the stock compartment with no modification needed to install

The internal operation of the GEN3 FEV2 and the GEN2 FEV2 cylinder assembly are exactly the same and share many of the same parts

and the KeyMod™ base is made from steel

Ammo type: Seamless 0

Every ARES gun matches the look and feel of their real-life counterparts

PolarStar Fusion Engine Nozzle G36 (Black) ss airsoft customs The BEU is designed toFE Nozzle Type: G36 Series Build Material: Aluminum Color: Black Bore Size: 0. 1160 in. Nozzle Length: 1. 895 in. External O Ring Size: 014 70D Internal O Ring Size: 7mmx1. 5mm 70D SPECS