echo1 peq box with 10.8v 2000 mah airsoft battery - black(Airsoft Gun)

This pre-built Echo1 PEQ box with 10.8V 2000mAh battery will attach to any set of weaver rails and is best on RIS systems. Use this on airsoft guns that have both a RIS system and Adjustable stock or on any front wired AEG with rails. Add that extra bit of realism and convenience with the Echo1 PEQ box. Features: * Comes with 10.8V 2000mAh battery * Modeled after real PEQ weapon systems * Mounts to any weaver rail