I'd recommend a FNAR. They're about the best you can get on a budget. I have no experience with CMMG .308s so I can't speak on behalf of them, but they're supposed to be decent. I'd still take the FNAR though.
If you are willing to go above the price of the FNAR, look at the DPMS LR308 Recon.
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I own to many AR pattern rifles, I guess that would make me a hoardAR
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