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Sierra makes two .312 pistol bullets. one is a 71 gr FMJ and the other is
a JHP at 90 grains. My buddy and I studied the 270 and 25-06 loads
to try to come up with some load formulas and we chronoed the 71
gr bullet at 3760 fps and the 90 gr bullet at 3630 fps.
We dont know how accurate yet but we do know they both vaporize
water melons and I think would be awesome on varmints if they shoot
straight at all. Sometime this summer we should get together again
and shoot some targets with em. BTW was using Norma brass that
we saved from deer hunting season.
 
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