I have three of these (C cell and the 1 and 2 AA) and they are well made lights, but I hate the beam. All it is is a moonbeam with little to no spill. Is there a way to mod these with a reflector, and to get rid of the optic? I can not get the head off on any of them. Just to clarify, these are the greenish ones that were sold at Targets. They are being closed out now. I could not find anything on these with a search. Thank you for any info you can give me!