The Leapers UTG 400 Lumen Sub-compact LED Ambidextrous Pistol flashlight fits Glock pistols and most other handguns with a Picatinny rail. This subcompact pistol flashlight is the best in class weapon light with 3V CREE LED Technology and fits most guns with picatinny rail. Pistol Light Hase Integrated Reflector and Bulb, Preset Flood Focus Design Ideal for Instantaneous Target Identification. User Friendly Ambidextrous Toggle Switch Operation for Both Left or Right Handed Manipulation with Momentary/Permanent On/Off. Integral Low Profile Snag Free Picatinny Mounting Deck. Removable Centered and Offset Posi-lock tabs for Increased Compatibility Across a Larger Variety of Pistols fits most. Matte Black Hard Coat Anodize Aluminum for Durable Wear Resistance. Includes 1x CR2 Battery. Leapers UTG One year limited warranty.