2 published .400 Whelen reloading recipes across 1 powders, with bullet weights from 300 to 350 grains and recorded velocities between 2,100 and 2,265 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 2 of 2 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| JSP 300gr | IMR IMR-3031 | 60.0 gr | 2,265 fps | — | — |
| JSP 350gr | IMR IMR-3031 | 57.0 gr | 2,100 fps | — | — |
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