.257 Roberts (Accurate Rifle Data) Load Data

19 published .257 Roberts (Accurate Rifle Data) reloading recipes across 5 powders and 2 bullet manufacturers, with bullet weights from 75 to 117 grains and recorded velocities between 2,555 and 3,300 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
19
Powders
5
Bullet makers
2
Bullet weights
75–117 gr

Sample .257 Roberts (Accurate Rifle Data) loads

The first 5 of 19 recipes.

BulletPowderChargeVelocityCOALPrimer
Nosler BT 100grAccurate AAC-252035.0 gr2,745 fps——
Nosler BT 100grAccurate AAC-270041.0 gr2,854 fps——
Nosler BT 100grAccurate XMR-310049.0 gr2,864 fps——
Nosler BT 100grAccurate XMR-406438.0 gr2,796 fps——
Nosler BT 100grAccurate XMR-435044.5 gr2,898 fps——

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