A compact X300U flashlight is a perfect choice when a small size flashlight of considerable power is necessary. Ideal supplement for   s and submachine guns equipped with RIS mounting rails. The flashlight comes with a standard mount for a 22 mm RIS rail. The flashlight can be turned on via a traditional switch. A CREE diode generates a light with 220 lumens of brightness. Powered by 2 123A or 16340 batteries (not included in the set).