More on the Surefire Taclights from 6Mil.co.uk... "The 6v and 9v lights in the MU Tactical Light System attach to RIS Units via a dual thumbscrew mount or throw lever. The shock-isolated systems are modular and components are interchangeable, permitting rapid field conversion to the desired light output, bezel size and switch configuration. The bezel, lamp and tailcap are interchangeable with SureFire's Special Operations Series of handheld flashlights. MU System WeaponLights are finished in durable MilSpec hard anodizing (Mil-A-8625 Type III Class 2), and can also accommodate a SureFire laser, as well as a variety of lamp modules, including a beam-focusing 2.5" TurboHead reflector. The MU System is currently in use with U.S. Special Forces.

• Voltage: 6v
• Power Source: 2 x 123a
• Power Output: 65 Lumens
• Battery Life: 60 Minutes"