Internal core unit for either the MIAD or MOE grips designed to hold two (2) CR123A lithium type batteries in a self contained waterproof unit.
Rubber cap is captured to the unit and can be opened with a push of the thumb.
Made in U.S.A.
Magpul MIAD/MOE/MOE+/MOE-K2/MOE AK Grips
*Picture used with permission from Military Morons