Magpul Industries MIAD/MOE Bolt & Firing Pin Core, Fits the MIAD, MOE, MOE-K2 Grips, Black MAG057-BLK
Internal core unit for the MIAD Pistol Grip as well as the MOE and MOE-K2 Grips. Designed to hold one (1) standard AR15/M4 complete bolt and firing pin.
