.257 Roberts +P (Accurate Loading Guide #2) Load Data

50 published .257 Roberts +P (Accurate Loading Guide #2) reloading recipes across 5 powders and 3 bullet manufacturers, with bullet weights from 75 to 117 grains and recorded velocities between 2,347 and 3,370 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
50
Powders
5
Bullet makers
3
Bullet weights
75–117 gr

Sample .257 Roberts +P (Accurate Loading Guide #2) loads

The first 5 of 50 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes X 100grAccurate AAC-252033.3 gr2475 fps——
Barnes X 100grAccurate AAC-252037.0 gr2813 fps——
Nosler BT 100grAccurate AAC-252037.5 gr2869 fps——
Nosler BT 100grAccurate AAC-252033.8 gr2525 fps——
Barnes X 100grAccurate AAC-270039.0 gr2640 fps——

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