2 published .400/350 Nitro Express (Cartridges of the World) reloading recipes across 2 powders, with bullet weights from 250 to 300 grains and recorded velocities between 2,180 and 2,300 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 |
|---|---|---|---|---|---|
| 250gr | IMR IMR-3031 | 50.0 gr | 2300 fps | — | — |
| 300gr | IMR IMR-4350 | 58.0 gr | 2180 fps | — | — |
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