.357 Auto Mag Load Data

11 published .357 Auto Mag reloading recipes across 4 powders, with bullet weights from 125 to 158 grains and recorded velocities between 1,486 and 1,943 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.

Always begin at the minimum charge weight and work up gradually. Never exceed maximum loads. Verify all data against a current published reloading manual before use. LoadDevelopment.com is not responsible for errors or omissions in this data.
Recipes
11
Powders
4
Bullet makers
0
Bullet weights
125–158 gr

Sample .357 Auto Mag loads

The first 5 of 11 recipes.

BulletPowderChargeVelocityCOALPrimer
JHP 125grWinchester W-63020.0 gr1,740 fps——
JSP 137grHodgdon H-11027.0 gr1,930 fps——
JSP 137grHodgdon H-11026.0 gr1,943 fps——
JSP 137grHodgdon H-422724.0 gr1,680 fps——
JSP 137grHodgdon H-422723.0 gr1,630 fps——

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Powders used in .357 Auto Mag load data

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