I am new to AR-15's and am currently in the market to purchase one. I have been lurking around on some forums and trying to read up on as much information as possible. My only real preference is the rifle is a carbine with a collapsible stock seeing as it will be a home defense rifle. My real question is, is this rifle overpriced? If so where can I get it cheaper? http://www.impactguns.com/store/604206072221.html I am not trying to pass the research buck onto any of you. I just figured you may know offhand. I have been searching, but I want to be sure of myself seeing as I am new.