15 published 257 Wby Mag reloading recipes across 8 powders and 1 bullet manufacturers, with bullet weights from 80 to 115 grains and recorded velocities between 3,049 and 3,858 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 15 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Barnes LRX BT 101gr | Hodgdon H1000 | 68.0–72.0 gr | 3281.0–3455 fps | 3.190 | — |
| Barnes LRX BT 101gr | IMR IMR 4831 | 60.0–64.0 gr | 3280.0–3482 fps | 3.190 | — |
| Barnes LRX BT 101gr | IMR IMR 7828SSC | 65.0–69.0 gr | 3287.0–3493 fps | 3.190 | — |
| Barnes LRX BT 101gr | Ramshot Magnum | 69.5–73.5 gr | 3245.0–3459 fps | 3.190 | — |
| Barnes LRX BT 101gr | Alliant RL 22 | 65.0–69.0 gr | 3324.0–3505 fps | 3.190 | — |
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Search all 15 257 Wby Mag loads