Crimson Trace Corporation Rail Master Tactical Light - Fits 1913 Picatinny Rail - High Beam - Low Beam - Strobe - And Momentary Modes - 1 Hour 50 Min Runtime at 110 Lumen - 1 Hour 5 Min Runtime at 420 Lumen on one CR123 Battery - Anodized Aluminum - Waterproof Up to 1 Meter - Black Finish CMR-208-S
