375 H&H Mag. Load Data

15 published 375 H&H Mag. reloading recipes across 4 powders and 4 bullet manufacturers, with bullet weights from 154.32 to 300 grains and recorded velocities between 2,306.402 and 3,612.161 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
15
Powders
4
Bullet makers
4
Bullet weights
154.32–300 gr

Sample 375 H&H Mag. loads

The first 5 of 15 recipes.

BulletPowderChargeVelocityCOALPrimer
Sax KJG-SR 154.32grReload Swiss RS4074.6773836–81.328748 gr3326.7312–3612.1608 fps3.579LRM RWS 5333
Sierra FN Pro Hunt. 200grReload Swiss RS4070.98904–75.001464 gr3041.3016–3182.376 fps3.362LRM RWS 5333
Sierra FN Pro Hunt. 200grReload Swiss RS5077.162–81.79172 gr2959.2816–3120.0408 fps3.362LRM RWS 5333
Sierra FN Pro Hunt. 200grReload Swiss RS5275.61876–78.70524 gr2929.7544–3054.4248 fps3.362LRM RWS 5333
Sax KJG-BCS 245grReload Swiss RS4070.5 gr2884 fps3.579LR-M RWS 5333

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