Thanks for the tip arney, i'll give it a try. The leakage was confined to the tailcap so this might work for me. Also, the liquid part has already turned to powder/crystallized so I hope this will still work.
Treeseeker, this mini-mag IS an led light so no need to upgrade. I do still have a couple of the old style mini-mag lights with incandescent bulbs but this was not one of them. I've been working on getting all the kit lights upgraded to LED's, but with so many choices and budget constraints it's been a difficult journey.
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Uh ... does anyone have a match?