42 published .378 Weatherby Magnum (Speer Reloading Manual #14) reloading recipes across 8 powders and 1 bullet manufacturers, with bullet weights from 250 to 300 grains and recorded velocities between 2,600 and 3,227 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 42 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Speer Trophy Bonded Bear Claw SP 250gr | Accurate AAC-4350 | 110.0 gr | 3,085 fps | — | — |
| Speer Trophy Bonded Bear Claw SP 250gr | Accurate AAC-4350 | 104.0 gr | 2,882 fps | — | — |
| Speer Trophy Bonded Bear Claw SP 250gr | Hodgdon H-4350 | 102.0 gr | 2,930 fps | — | — |
| Speer Trophy Bonded Bear Claw SP 250gr | Hodgdon H-4350 | 108.0 gr | 3,097 fps | — | — |
| Speer Trophy Bonded Bear Claw SP 250gr | IMR IMR-4350 | 105.0 gr | 3,007 fps | — | — |
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Search all 42 .378 Weatherby Magnum (Speer Reloading Manual #14) loads