This 1,000 lumen long gun light with an integrated red laser represents the latest in close combat/defense illumination technology for rifles and carbines. It features multi-fuel innovation, ensuring you'll always have a beam when you need it. The clamping mechanism is separate from the light, allowing for re-positioning while mainting windage and elevation settings. A quality integration of light and laser engineered for performance and simplicity. Mfg: Streamlight