Quote:
Don't know if I need the NRA involved.
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I don't really know what you mean by that, but I think it mostly means that you don't understand what the NRA is...
It's a private organization dedicated to supporting gun-owners and hunters. It's not like they're going to try to take over or report you to someone if you talk to them.
They do offer a lot of information on range construction including a fairly comprehensive book on the topic.