Barnes has load data here, https://www.barnesbullets.com/files/...ndelForWeb.pdf
Benchmark gave me pressure signs early in the load development. I actually tried a slew of powders and all of the faster burning ones showed pressure in my gun. I have gotten very, very good velocity with Leverevolution, but have not had time to do actual accuracy testing. CFE 223 also shows promise in the velocity department. So far, AA2502 has been best for accuracy, again, I haven't finished accuracy testing. I've done the ladder test with 100, 120 and 123 gr pills with 2802, 2520, Benchmark, 4320, Varget, PPV, PP2K, IMR 4198, H4350, H335 and a couple I can't think of right now. My barrel has a long throat so the closest I can get to the lands is about .035, which could have something to do with the lower pressure on slow burning powder, don't know.
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