Alot of good info,thanks. So for most of us AR shooters at the range for fun sounds like a red dot is enough and then add a magnifier for the range for a little farther out. Looking on the Primary Arms site I see they also have a 6x magnifier.Would I be better off with that? Does a magnifier adjust up from 1x to 3x or 6x (depending on what one you have) or is it always just 6x magnified?