.375 H&H Magnum (IMR Data) Load Data

14 published .375 H&H Magnum (IMR Data) reloading recipes across 7 powders and 2 bullet manufacturers, with bullet weights from 270 to 300 grains and recorded velocities between 1,925 and 2,710 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
14
Powders
7
Bullet makers
2
Bullet weights
270–300 gr

Sample .375 H&H Magnum (IMR Data) loads

The first 5 of 14 recipes.

BulletPowderChargeVelocityCOALPrimer
Remington SP 270grIMR IMR-303165.5 gr2,610 fps——
Remington SP 270grIMR IMR-406469.0 gr2,655 fps——
Remington SP 270grIMR IMR-432066.5 gr2,545 fps——
Remington SP 270grIMR IMR-435078.5 gr2,710 fps——
Remington SP 270grIMR IMR-483182.5 gr2,690 fps——

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