Check the listing for details. Crimson Trace Rail Master Universal Tactical Light (OD-CMR-208-S). Color: Black, Condition: New other (see details). Listed at 75.00 USD. Crimson Trace Rail Master Universal Tactical Light The Crimson Trace Rail Master is a best in class tactical light from the brand that you trust for personal protection optics. Fits most pistols, rifles, and shotguns with M1913 Picatinny accessory rail measuring at least 1″ from recoil lug to trigger guard.SpecificationsInstant ActivationTap On and Tap OffMaterialAnodized AluminumWaterproofUp to 1 meterImpact resistanceUp to 1 meterModes High, Low, Strobe, and MomentaryBattery life1 hr 5 min 420 Lumens and 1 hr 50 min 110 LumensProduct PlatformRail MasterAttachmentAccessory RailActivation LocationDual Side ActivationBattery TypeOne CR123Activation ModeSwitch ActivatedInstallationUser InstalledLight Output420 Lumens on High and 110 Lumens on LowLight SpecsHigh Output Cree XPL LEDWeight4.1 oz