Magpul Stor Core Bolt & Fr Pin 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.

Features :

• Holds one standard AR15/M4 complete bolt and firing pin
• Internal core unit for the MIAD, MOE and MOE-K2 grips