For those who prefer a battery box for easy access during skirmishes, check this new AN/PEQ2 Box from Echo1 USA Airsoft available at Hot Spot Airsoft... "An external battery solution for your A.E.G. with an R.I.S. system. This is a great way to solve battery capacity problems. No need to re-wire your battery to the back. Fits a wide range of custom 8.4v to 9.6v batteries designed for the PEQ2 box. This is one of the most realistic AN/PEQ2 replica models.

• Polymer Material Based Replica PEQ 2 Battery Box Unit for Most Rail and RIS AEGs
• Allow To Fit Up To A Custom 12V Battery
• Mounts On Real-Steel Rails As Well

Please Note:

• Super Glue may be required to complete the assembly."