.270-257 Ackley Improved (P.O. Ackley Data) Load Data

21 published .270-257 Ackley Improved (P.O. Ackley Data) reloading recipes across 6 powders, with bullet weights from 100 to 170 grains and recorded velocities between 2,486 and 3,292 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
21
Powders
6
Bullet makers
0
Bullet weights
100–170 gr

Sample .270-257 Ackley Improved (P.O. Ackley Data) loads

The first 5 of 21 recipes.

BulletPowderChargeVelocityCOALPrimer
100grIMR IMR-303141.0 gr3103 fps——
100grIMR IMR-406446.0 gr3263 fps——
100grIMR IMR-432048.0 gr3292 fps——
100grIMR IMR-435055.0 gr3263 fps——
100grIMR IMR-489546.0 gr3144 fps——

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Powders used in .270-257 Ackley Improved (P.O. Ackley Data) load data

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