Where did you find a 40 gr load of 4227? The heavest load of that in any of my books is 31 grains and that's giving a theoretical speed of 1500 with a 400 gr bullet. I'd be a bit wary of 40 that's for sure .
Where did you find a 40 gr load of 4227? The heavest load of that in any of my books is 31 grains and that's giving a theoretical speed of 1500 with a 400 gr bullet. I'd be a bit wary of 40 that's for sure .
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