The Magpul MIAD/MOE Lube Bottle Core is an internal grip core that holds an included oz. reusable lubrication bottle. It was designed to work with the MIAD Gen 1.1, MOE, MOE+, MOE-K2, MOE-K2+, MOE AK, and MOE AK+ grips. Made in U.S.A. Mfg: Magpul...