Umarex MP5K PDW Gen2 GBB (By VFC) EARMOR which is where the nunchuck-style

which is where the nunchuck-style battery is stored

Made by ABS Quick Detach & Heavy Weight desgin Suitable for VP9 Gas Blow Back Pistol Weight 65gram Length 92mm / Width 26mm / Height 47mm (VP9 GBB Pistol is Not included)

the unit comes standard with a removable low-profile weaver mount and lower 1/3 co-witness riser mount

SKU GE-05-05 Item Weight (gram) N/A Major Color N/A Manufacturer Guarder Hop-up N/A Shooting Mode N/A Gearbox Type N/A Fit Battery Pack N/A Bullet Type N/A Pistol Power Source N/A

There is plenty of storage room inside the stock for a larger battery with small tamiya connectors

Umarex MP5K PDW Gen2 GBB (By VFC) EARMOR which is where the nunchuck-styleMP5 GBBR V2 System Features Upgrade Trigger GroupThe new "Full Set Quickly replaceable" firing control group with new design disconnect set, hammer and hammer latch. It functions and strips down similar to its real counterpart. New Design Bolt GroupNew design bolt group built in floating buffer with enhanced nozzle assembly. The bolt carrier combined with steel heavy buffer and two stage enhanced recoil spring steel recoil spring guide rod set. This