63 published .257 Weatherby Magnum (Handloader issue #348) reloading recipes across 18 powders and 5 bullet manufacturers, with bullet weights from 90 to 115 grains and recorded velocities between 3,144 and 3,910 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 63 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Speer Boat Trail Soft Point (.393 G1 BC) 100gr | Hodgdon Hybrid 100V | 59.0 gr | 3340 fps | 3.200 | — |
| Speer Boat Trail Soft Point (.393 G1 BC) 100gr | Hodgdon Hybrid 100V | 61.0 gr | 3454 fps | 3.200 | — |
| Speer Boat Trail Soft Point (.393 G1 BC) 100gr | Hodgdon Hybrid 100V | 60.0 gr | 3426 fps | 3.200 | — |
| Speer Boat Trail Soft Point (.393 G1 BC) 100gr | IMR IMR-7828ssc | 67.5 gr | 3516 fps | 3.200 | — |
| Speer Boat Trail Soft Point (.393 G1 BC) 100gr | IMR IMR-7828ssc | 66.5 gr | 3436 fps | 3.200 | — |
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