The Browning BARs are probably good deals right now. They're wood/steel with internal mag, so they probably aren't super high demand like other tacticool models. When things were sane, the FNAR (tacticool BAR) was a fabulous deal at around a grand.
"I don't believe that the men of the distant past were any wiser than we are today. But it does seem that their science and technology were able to accomplish much grander things."
-- Alex Rosewater