My 223AI is a 22", 1:7 Criterion...
24.4gr Varget below an 80gr Amax in a virgin 223 case gives 2735fps and half MOA accuracy; in fireformed cases I see 2890fps with 26.2gr Varget and testing with 8208XBR looks like 40fps more velocity and even better accuracy.
I use a Lee Collett die and CCI-450s.
It also hammers deer, I've found...
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