re: FBI 9MM Justification, FBI Training Division

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I guess it just depends on if you want large bore over capacity. If the difference is around 500 lb-ft for the hottest loads of two different calibers, I will take my chances on my errant/accurate follow-up shots. 500 x 2 > 600.

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Agreed. I keep my 357 loaded with 38 + p indoors. I switch to 357 outdoors.


I keep my 40 loaded in doors with rounds that equal around 400 lbs of energy, light recoil, easy to shoot, and follow up each shot. If I need to bring it outdoors I load it in the 600 lbs range.



9 mm, 40, 45, 357 sig. All very good rounds.