The MIAD/MOE Lube Bottle Core is an internal grip core with an included 1/2 oz reusable lubrication bottle to hold the oil of your choice.
Comes standard with the MIAD® GEN 1.1 Grip, the Lube Bottle Core also works with the MOE®, MOE-K2®, and MOE® AK Grips*.
Made in the USA.