.257 Roberts (Using Nosler Bullets) Load Data

150 published .257 Roberts (Using Nosler Bullets) reloading recipes across 22 powders and 1 bullet manufacturers, with bullet weights from 85 to 120 grains and recorded velocities between 2,330 and 3,381 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
150
Powders
22
Bullet makers
1
Bullet weights
85–120 gr

Sample .257 Roberts (Using Nosler Bullets) loads

The first 5 of 150 recipes.

BulletPowderChargeVelocityCOALPrimer
Nosler BT, Partition Spitzer or E-Tip 100grAccurate AAC-252033.5 gr2,612 fps
Nosler BT, Partition Spitzer or E-Tip 100grAccurate AAC-252037.5 gr2,862 fps
Nosler BT, Partition Spitzer or E-Tip 100grAccurate AAC-252035.5 gr2,737 fps
Nosler BT, Partition Spitzer or E-Tip 100grHodgdon H-38038.5 gr2,963 fps
Nosler BT, Partition Spitzer or E-Tip 100grHodgdon H-38036.5 gr2,848 fps

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