I would be quite happy with those groups! Looks like you will be able to make it work. That is certainly a big spread velocity wise. Nicely done.Well I was able to work myself back up to 30.4 gr. at 3115 fps avg keeping ny same seating depth. I think I'm just going to hold there for now, I still lost a bit of speed but at least my sd is back in the singles and accuracy is good. In truth this barrel was pretty easy to work with from the start.
Did 4 rounds at 30 and 30.4t he later being the lower group, they're not too far off from each other it appears. No pressure signs, but there is a bit more of slight resistance rechambering the spent cases at 30.4 vs 29.7.
Damm you science.
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edit - shitty spelling
Paul