Originally Posted by badge315
That's an old-school Surefire 618.
I got one of them on my old Marine Magnum too.....
Also, if you haven't done so, do yourself a favor and buy one of these:
They make the light much better/brighter and it's cheap to boot.
You neednt die happy when your day comes, but you must die satisfied, for you have lived your life from beginning to end.