Thanks for the info. I'm running an AR 24 inch 1:8. I had a couple of semi-decent groups with COL of 2.24. Will try them at 2.25.

I can get really nice groups with the hornady 68gr and Sierra 55gr HPBT, sub-moa on each.
Quote Originally Posted by CodySPowell View Post
It's a S&W M&P Sport 15, 16in barrel with 1:9 twist. Other AR is a DPMS Oracle, same barrel specs.

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