.357 Magnum in a Ruger M77 Load Data

10 published .357 Magnum in a Ruger M77 reloading recipes across 5 powders and 4 bullet manufacturers, with bullet weights from 125 to 187 grains and recorded velocities between 1,671 and 2,099 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
10
Powders
5
Bullet makers
4
Bullet weights
125–187 gr

Sample .357 Magnum in a Ruger M77 loads

The first 5 of 10 recipes.

BulletPowderChargeVelocityCOALPrimer
Speer JHP 125grAlliant 240018.0 gr1971 fps——
Hornady HP/XTP 125grHodgdon H-11020.0 gr2099 fps——
Hornady HP/XTP 140grAccurate AAC-915.5 gr1857 fps——
Speer Gold Dot HP 158grHodgdon Lil'Gun19.5 gr1953 fps——
Sierra JHC 158grHodgdon Lil'Gun19.5 gr1962 fps——

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