357 SIG factory equivelant load

5mmgunguy

January 01, 2012 11:57

What would be a factory equivelant load for the 125 gr GD bullet?

Comments

3 comments

v35

January 02, 2012 18:17
Factory load is 125gr@1350FPS.
AA9 gives 1287fps for 13.1 gr up to a max velocity of 1437fps for a max charge of 14.6 gr.
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62fuelie

January 05, 2012 13:33
Alliant load data site shows 8 grains of Unique with a 125 Gold Dot at 134? fps (can't read my own scribble). Be sure to use the Gold Dot made for the Sig rather the the standard 9mm 125. The standard is too long and must be seated deep into the case to meet max overall length and may raise pressures. It would be more likely to disrupt very violently and not penetrate as well as the 357 Sig design.
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5mmgunguy

January 06, 2012 05:16
Thanks guys!!
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