The MIAD/MOE Battery Storage Core is an internal core unit for the MIAD as well as the MOE, MOE-K2 and MOE AK Grips. It is designed to hold two CR123A lithium type batteries in a self-contained, water resistant unit. A rubber cap is captured to the unit and can be opened with a push of the thumb. Made in the USA.
Specifications:

Type
Firearm Type
Firearm Model
Material	Polymer
Finish	Black
Features	Rubber Cap
Adjustment Type
Positions
Length of Pull
Rails
Texture Type	Smooth
Swivel Studs
Free Floating
Grip Type
Tube Included
Max Capacity