.450 Alaskan/.450-348 Ackley Improved Load Data

23 published .450 Alaskan/.450-348 Ackley Improved reloading recipes across 6 powders and 4 bullet manufacturers, with bullet weights from 300 to 500 grains and recorded velocities between 1,804 and 2,275 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
23
Powders
6
Bullet makers
4
Bullet weights
300–500 gr

Sample .450 Alaskan/.450-348 Ackley Improved loads

The first 5 of 23 recipes.

BulletPowderChargeVelocityCOALPrimer
Nosler Partition 300grHodgdon H-419855.0 gr2,145 fps——
Nosler Partition 300grIMR IMR-303160.0 gr2,051 fps——
Nosler Partition 300grAccurate XMR-201562.0 gr2,275 fps——
Speer Speer 350grHodgdon H-419855.0 gr2,080 fps——
Speer Speer 350grAccurate XMR-201560.0 gr2,103 fps——

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