.357 Magnum (Somchem Data) Load Data

32 published .357 Magnum (Somchem Data) reloading recipes across 2 powders and 1 bullet manufacturers, with bullet weights from 126 to 197 grains and recorded velocities between 712 and 1,568 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
32
Powders
2
Bullet makers
1
Bullet weights
126–197 gr

Sample .357 Magnum (Somchem Data) loads

The first 5 of 32 recipes.

BulletPowderChargeVelocityCOALPrimer
CN JOSYD Cast 126grSomchem MP2007.5 gr1181 fps——
CN JOSYD Cast 126grSomchem MP20010.5 gr1568 fps——
CN Eagle Cast 126grSomchem S26516.0 gr1116 fps——
CN Eagle Cast 126grSomchem S26518.0 gr1480 fps——
CN Eagle Cast 126grSomchem S26516.0 gr1237 fps——

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