.257 Roberts (Accurate Data Edition 3.5 - 2012) Load Data

26 published .257 Roberts (Accurate Data Edition 3.5 - 2012) reloading recipes across 3 powders and 4 bullet manufacturers, with bullet weights from 75 to 117 grains and recorded velocities between 2,376 and 3,257 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
26
Powders
3
Bullet makers
4
Bullet weights
75–117 gr

Sample .257 Roberts (Accurate Data Edition 3.5 - 2012) loads

The first 5 of 26 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes X 100grAccurate AAC-310041.4 gr2381 fps——
Barnes X 100grAccurate AAC-310046.0 gr2706 fps——
Nosler BT 100grAccurate AAC-310049.0 gr2864 fps——
Nosler BT 100grAccurate AAC-310044.1 gr2520 fps——
Barnes X 100grAccurate AAC-435036.9 gr2410 fps——

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