.300 Weatherby Magnum (IMR Data) Load Data

11 published .300 Weatherby Magnum (IMR Data) reloading recipes across 3 powders and 4 bullet manufacturers, with bullet weights from 150 to 200 grains and recorded velocities between 2,912 and 3,425 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
11
Powders
3
Bullet makers
4
Bullet weights
150–200 gr

Sample .300 Weatherby Magnum (IMR Data) loads

The first 5 of 11 recipes.

BulletPowderChargeVelocityCOALPrimer
Nosler Partition 150grIMR IMR-782889.0 gr3,425 fps——
Barnes X Boat Tail 165grIMR IMR-435075.0 gr3,127 fps——
Swift SP 165grIMR IMR-435074.5 gr3,139 fps——
Swift SP 165grIMR IMR-483178.5 gr3,192 fps——
Barnes X Boat Tail 165grIMR IMR-483177.0 gr3,120 fps——

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