Magpul Industries MIAD/MOE Lube Bottle Core, Fits The MIAD 1.1, MOE, MOE-K2, And MOE AK Grips, Black MAG059-BLK The MIAD/MOE Lube Bottle Core is an internal grip core that holds an included 1/2 oz. reusable lubrication bottle. Comes standard with the MIAD GEN 1.1 Grip" the Lube Bottle Core also works with the MOE" MOE-K2" and MOE AK Grips. Not compatible with the original modular MIAD grip (MAG050)