Ruger AR556.
http://www.ruger-firearms.com/produc...56/models.html
The gun show had about 3 vendors selling them and they were asking way too much for them. I estimate I overpaid for the one I got by about $50 or $60, but I'm considering it a convenience fee since they're so scarce locally. 1 vendor wanted $699 for it unaltered which I thought was ridiculous, so I bought it from another vendor who was charging the same for it but threw in a quad rail and a telescoping foregrip. He had others with scopes but he was asking for an extra $100 for the ones with the scopes and I figured I could get a scope for cheaper online. The third guy wanted $850 for the one he had and his had a quad rail, a telescoping foregrip, and a scope.
The gun show was a joke overall. Maybe 5 gun vendors all asking way too much for their firearms. The mags were all overpriced. The ammo was overpriced and there wasn't a whole lot in terms of real quality there either. The holsters were all shit. The knives were overpriced.
Anyway, I've finished buying what I was after. I have what I ultimately set out to get when I started this. I have ideas for other things that I might be interested in, but they can wait a year or two. As far as I'm concerned, with respect to gun acquisitions, I'm done.