.257 Roberts (Lee Precision Data) Load Data

218 published .257 Roberts (Lee Precision Data) reloading recipes across 30 powders and 1 bullet manufacturers, with bullet weights from 60 to 125 grains and recorded velocities between 1,756 and 3,885 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
218
Powders
30
Bullet makers
1
Bullet weights
60–125 gr

Sample .257 Roberts (Lee Precision Data) loads

The first 5 of 218 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes X Bullet 100grAccurate AAC-252030.6 gr2324 fps2.760
Barnes X Bullet 100grAccurate AAC-252034.0 gr2641 fps2.760
Jacketed 100grAccurate AAC-252035.0 gr2745 fps2.785
Jacketed 100grAccurate AAC-252031.5 gr2416 fps2.785
Barnes X Bullet 100grAccurate AAC-270037.1 gr2522 fps2.760

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