.357 Magnum (Rifle) (Using 140 GR Hornady Cowboy Bullets) Load Data

28 published .357 Magnum (Rifle) (Using 140 GR Hornady Cowboy Bullets) reloading recipes across 5 powders and 1 bullet manufacturers, with bullet weights from 140 to 140 grains and recorded velocities between 823 and 1,199 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
28
Powders
5
Bullet makers
1
Bullet weights
140–140 gr

Sample .357 Magnum (Rifle) (Using 140 GR Hornady Cowboy Bullets) loads

The first 5 of 28 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady Cowboy 140grAlliant American Select3.5 gr982 fps——
Hornady Cowboy 140grAlliant American Select3.8 gr1024 fps——
Hornady Cowboy 140grAlliant American Select4.2 gr1076 fps——
Hornady Cowboy 140grAlliant American Select4.5 gr1124 fps——
Hornady Cowboy 140grAlliant American Select3.2 gr935 fps——

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