The G2Z is an excellent light. Lighter than the Z2 and uses the same parts internally. I carry one daily at work. I like the ammount of light output by the P60 lens, and need the purity of color that the incandescent bulb provides. I also have to go into electrical panels, and don't want metal around when they are potentially energized. So the polymer construction is a plus. As far as the NRA edition you show, same as the regular, but cheaper because not everyone a fan of the NRA. I guess a lot of folks don' believe in supporting all the ammendments of the constitution. I will go no further on that subject. Anyway, a good light. I like the lock out tali cap. If you really want one, buy a G2Z off eBay and save a lot of money. Cheaper price but same light. Probably not the NRA edition though.
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If only closed minds came with closed mouths.