Posted this awhile ago and never got back to post my results. With 13.2 gr AA#9 or 16.0 gr H110 I am driving these 140 Barnes XPB at 1,300 from my 4" GP-100. I wonder if anyone else is shooting these? Are they a reasonable alternative to 158 JHP? I'm about out of 158 XTP and nobody seems to have them in stock right now.
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