SureFire MN11 Lamp Assembly (Replacement)The SureFire MN11 Ultra High Output Lamp Assembly is a specially engineered lamp that, when combined with its designated and carefully engineered reflector, will produce SureFire's brilliant and perfectly focused beam. The reflector is either integral to the head of your flashlight, or part of the prefocused lamp assembly. You can purchase either standard high output replacement lamps for your flashlight, or optional ultra high output lamps that