Experiment. I once tried a doing that with a .45 LC Ballard. Had fairly good results with a 320 grain custom bullet and 18 gns 2F Swiss at 50 yds. My testing was showing me to slow it down til I got down to the 18 gns. Beyond that and the curve stated back down. Using a chronograph I averaged approximately 760 FPS. I ultimately settled on 22 gns 1 1/2 f Swiss running at approximately 850 FPS. But. One has to consider 100 yds and perhaps a windy day. It?s tempting and has its merits but reality sucks. That?s why it?s common to use reduced loads indoors.
When in doubt, mumble, when in trouble, delegate.
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