25 published 300 Winchester Magnum continued reloading recipes across 7 powders and 2 bullet manufacturers, with bullet weights from 110 to 220 grains and recorded velocities between 2,761 and 3,574 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 25 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Speer SP 110gr | Alliant Reloder 19 | 84.0 gr | 3574 fps | 3.215 | CCI 250 |
| Speer HP 130gr | Alliant Reloder 15 | 67.0 gr | 3243 fps | 3.260 | CCI 250 |
| Speer SP 150gr | Alliant Reloder 15 | 64.0 gr | 3058 fps | 3.330 | CCI 250 |
| Speer BTSP 150gr | Alliant Reloder 17 | 74.0 gr | 3333 fps | 3.330 | Fed. 215 |
| Speer SP 150gr | Alliant Reloder 19 | 78.0 gr | 3301 fps | 3.330 | CCI 250 |
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