This PEQ15 from FMA not only can it hold your batteries for your AEG but it also is a laser sight.
ABS Plastic Construction
Fits on standard 20mm Rail
Dress up your AEG with this battery case (Not Include Battery)
Package Includes:
SOF PEQ-15 Battery Box, Red Laser & Sticker Set
Battery Compartment Size: 70mm x 50mm x 30mm
