.458 Winchester Magnum (Using 300 GR Hornady Bullets) Load Data

24 published .458 Winchester Magnum (Using 300 GR Hornady Bullets) reloading recipes across 4 powders and 1 bullet manufacturers, with bullet weights from 300 to 300 grains and recorded velocities between 1,315 and 1,885 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
24
Powders
4
Bullet makers
1
Bullet weights
300–300 gr

Sample .458 Winchester Magnum (Using 300 GR Hornady Bullets) loads

The first 5 of 24 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady HP 300grAccurate AAC-574441.7 gr1679 fps——
Hornady HP 300grAccurate AAC-574442.9 gr1732 fps——
Hornady HP 300grAccurate AAC-574444.1 gr1785 fps——
Hornady HP 300grAccurate AAC-574445.2 gr1837 fps——
Hornady HP 300grAccurate AAC-574440.6 gr1635 fps——

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