Although I only tried 4 different loads (3 shot groups) as I was given 12 of the 156 I didnt achieve much better than moa in an 8 twist prc. The groups were closing up as the powder charge increased which told me they may be more accurate in a faster twist barrel.
As a side note my neighbour has been shooting the A-tip out of a 30 inch 6.5 284 and they have been blowing up before reaching the target, can't remember the twist rate but watching it happen through the binos
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