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Its a great price for a great little light. I have one as well but don't want to sell mine. For anyone not familiar, these Venom Orions have one of the most hefty copper pills of any similar offering. You can see it clearly down through the optic, looks very cool. Plus the solid milled clip is very unique.
Can the Optic be changed?
Yes the Orion is a downright bargain relative to the other customs on the market. This is a good deal - glwys.
Possible to run with a 16340?