I’ve had no experience with the 6.5-06 Ackley, but I’ve played with both the 6 and 6.5-284. My 6-284 has a 8”twist 26” barrel, and shoots 105 Berger VLD’s right about 3250fps. My 6.5-284 is a hunting rifle with a 9” twist 24” barrel. It shoots 140gr hunting style bullets at around 2850fps. I know this doesn’t answer your question, but thought some real world numbers might at least give you a little insight into it.


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