That is hot stuff for 9mm. But Doubletap's 357 Sig with 125 gr Speer Gold Dot give 1415 fps in 3.5" barrel and 1525 fps in 4.5" barrel. But the 9mm DT load is equivalent to the Speer GD 357 Sig load at 1350 fps out of 4" barrel. Not sure if I'd want to shoot that out of my M9 too often. The M357 has a little heavier slide. Don't know if the recoil springs are different or not.
new 357sig alternative with familiar name its called 9mm
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