503 published .300 Weatherby Magnum (using Sierra bullets) reloading recipes across 19 powders and 1 bullet manufacturers, with bullet weights from 110 to 240 grains and recorded velocities between 2,336 and 3,850 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 503 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Sierra RN, FMJ or HP 110gr | Accurate AAC-4350 | 79.3 gr | 3313 fps | 3.250 | — |
| Sierra RN, FMJ or HP 110gr | Accurate AAC-4350 | 83.2 gr | 3567 fps | 3.250 | — |
| Sierra RN, FMJ or HP 110gr | Accurate AAC-4350 | 85.1 gr | 3695 fps | 3.250 | — |
| Sierra RN, FMJ or HP 110gr | Accurate AAC-4350 | 81.2 gr | 3428 fps | 3.250 | — |
| Sierra RN, FMJ or HP 110gr | Hodgdon H-4831SC | 83.0 gr | 3082 fps | 3.250 | — |
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Search all 503 .300 Weatherby Magnum (using Sierra bullets) loads