The Magpul MIAD/MOE Bolt & Firing Pin Core is an internal core unit for the MIAD as well as the MOE and MOE-K2 Grips*. Designed to hold one (1) standard AR15/M4 complete bolt and firing pin.
Made in the USA.
HOLDS ONE STANDARD AR15 / M4 COMPLETE BOLT AND FIRING PIN
INTERNAL CORE UNIT FOR THE MIAD, MOE, AND MOE-K2 GRIPS
Platform: AR10, AR15, M4, M16, M110, SR25
*NOTE: The Bolt & Firing Pin Storage Core is not recommended for use with the MOE+ Grip due to its slightly smaller internal dimensions required by the rubber overmolding.