.257 Roberts (Barnes Reloading Manual #4) Load Data

40 published .257 Roberts (Barnes Reloading Manual #4) reloading recipes across 9 powders and 1 bullet manufacturers, with bullet weights from 80 to 115 grains and recorded velocities between 2,546 and 3,447 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
40
Powders
9
Bullet makers
1
Bullet weights
80–115 gr

Sample .257 Roberts (Barnes Reloading Manual #4) loads

The first 5 of 40 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes TSX BT 100grAccurate AAC-270045.0 gr3152 fps
Barnes TSX BT 100grAccurate AAC-270040.0 gr2935 fps
Barnes TSX BT 100grHodgdon H-435036.0 gr2676 fps
Barnes TSX BT 100grHodgdon H-435042.0 gr3016 fps
Barnes TSX BT 100grRamshot Hunter42.5 gr2926 fps

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