One of 11 components in the Interchangeable Shotgun System Unique accessory places your flashlight within easy reach without interference. Attaches easily to any of Advanced Technology, Inc’s shotgun grips (front or rear) by drilling one small hole and securing with one screw (included). Accepts 1 inch diameter flashlight and includes an adapter for small AA flashlights. Made in USA. Injection molded from indestructible, black, glass-filled nylon. Mfg Lifetime Warranty. Fits on Advanced Technology's pistol grips