.257 Weatherby Magnum (Using 100 GR Hornady Bullets) Load Data

42 published .257 Weatherby Magnum (Using 100 GR Hornady Bullets) reloading recipes across 10 powders and 1 bullet manufacturers, with bullet weights from 100 to 100 grains and recorded velocities between 2,892 and 3,504 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
42
Powders
10
Bullet makers
1
Bullet weights
100–100 gr

Sample .257 Weatherby Magnum (Using 100 GR Hornady Bullets) loads

The first 5 of 42 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady SP 100grHodgdon H-100064.9 gr3011 fps——
Hornady SP 100grHodgdon H-100070.0 gr3207 fps——
Hornady SP 100grHodgdon H-100072.5 gr3304 fps——
Hornady SP 100grHodgdon H-100067.5 gr3109 fps——
Hornady SP 100grHodgdon H-435054.4 gr3038 fps——

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