I bought my surefire light used last summer it's led 300lm.........

Tactical Gear Tactical Lights, Lasers & Knives
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But I can’t remember the model, have a look see and tell me what I have

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I could be wrong but looks like a M951.

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uploadfromtaptalk1425821528017.jpg
This should help you figure out the exact model number.

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How you recovering, bud?

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Looks to be an M951. Originally it would have been an incandescent light, if you are saying that it is LED then it mostly likely has been upgraded, likely a Malkoff head or something since the original output was I think in the 60 lumen range.