27 published .577-.450 Load Data reloading recipes across 15 powders, with bullet weights from 400 to 500 grains and recorded velocities between 990 and 1,582 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 27 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Lee 400gr | Alliant Blue Dot | 27 gr | 1,422 fps | — | — |
| Lee 400gr | Alliant Green Dot | 16 gr | 1,094 fps | — | — |
| Lee 400gr | Alliant Herco | 20 gr | 1,272 fps | — | — |
| Lee 400gr | IMR IMR-3031 | 45 gr | 1,424 fps | — | — |
| Lee 400gr | IMR IMR-4759 | 27 gr | 1,172 fps | — | — |
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