Nitecore NPL20 460 Lumen Weapon Light CREE XP-G3 S3 LEDThe Nitecore NPL20 is a compact, low profile rail mount flashlight that is compatible with most handgun models with over 4 inch barrel length and Picatinny accessory rails. The single screw mount is quick mounting and compatible with firearms using Picatinny rails. Enjoy 460 lumen light after a simple, easy installation. Simple Operation Press and hold either side button to access tactical momentary on, short press either button to access constant on,