Lambe,
Was at the range chronographing a couple of my 6.5 Swede loads used in a R8. 22” barrel.
Lapua brass , 140 sst, 2209 @47 gns, 2823 fps average.
A 129 hornady on the same 47 of 2209 in PMC brass gave 2743 fps average.
For GPM that’s new 2209.
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