Review on Black Airsoft PEQ-15 Style Battery Box Dummy Battery Case For AEG GBB CQB By ACTIONUNION - Enhance Your Tactical Gear by Kenny Rossi

I have the elite force mp7 so I already have no battery space but this thing also has no battery space.cons:-one of the 3 screws on the front came stripped so I couldn't open it up-does not properly fit onto the picatinny rail and wobbles, even when fully tightened-dimension is actually about 8cm in length( for storage compartment) but I couldn't open it so I don't actually knowpros:-it was only $16-amazon has free returns