.257 rem Ackley Improved (Barnes Reloading Manual #4) Load Data

40 published .257 rem Ackley Improved (Barnes Reloading Manual #4) reloading recipes across 11 powders and 1 bullet manufacturers, with bullet weights from 80 to 115 grains and recorded velocities between 2,626 and 3,636 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
11
Bullet makers
1
Bullet weights
80–115 gr

Sample .257 rem Ackley Improved (Barnes Reloading Manual #4) loads

The first 5 of 40 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes TSX BT 100grAccurate AAC-310050.5 gr3181 fps2.805—
Barnes TSX BT 100grAccurate AAC-310045.5 gr2900 fps2.805—
Barnes TSX BT 100grHodgdon H-4831sc46.0 gr2921 fps2.805—
Barnes TSX BT 100grHodgdon H-4831sc51.0 gr3140 fps2.805—
Barnes TSX BT 100grIMR IMR-483145.0 gr2938 fps2.805—

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