I have a Stag Arms Model 6 that you can get for @ $1k. It will shoot right around 1/2 MOA if I do my part with Hornady 75gr bullets. I was hitting prairie dogs between 300-400 yards in the wide open WY country 2 summers ago. I was with my dad and Uncle who were shooting their bolt action 22-250, 220 Swift, and 243....they didn't believe that a semi-auto would keep up with them. They were pleasantly surprised when I proved them wrong
I highly recommend them for their accuracy, and they are also one of the cheapest ones with very high quality.