36 published .45-70 Government (Trapdoor Rifles) (Speer Cowboy Action Data Manual #13) reloading recipes across 9 powders and 1 bullet manufacturers, with bullet weights from 325 to 500 grains and recorded velocities between 1,102 and 2,009 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 36 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Speer FN-U 325gr | Hodgdon H-322 | 52.0 gr | 1,931 fps | — | — |
| Speer FN-U 325gr | Hodgdon H-322 | 48.0 gr | 1,743 fps | — | — |
| Speer FN-U 325gr | IMR IMR-3031 | 47.0 gr | 1,573 fps | — | — |
| Speer FN-U 325gr | IMR IMR-3031 | 51.0 gr | 1,804 fps | — | — |
| Speer FN-U 325gr | IMR IMR-4198 | 35.0 gr | 1,562 fps | — | — |
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