24 published .50-70 Government Trapdoor Springfield reloading recipes across 4 powders, with bullet weights from 443 to 542 grains and recorded velocities between 1,039 and 1,199 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 24 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Lyman 515141 443gr | GOEX FFg Black | 60.0 gr | 1,188 fps | — | Winchester Large Rifle |
| Lyman 515141 443gr | GOEX Fg Black | 60.0 gr | 1,113 fps | — | Winchester Large Rifle |
| Lyman 515141 443gr | Accurate MP-5744 | 28.0 gr | 1,199 fps | — | Winchester Large Rifle |
| Lyman 515141 443gr | Hodgdon Pyrodex CTG | 48.0 gr | 1,150 fps | — | Winchester Large Rifle |
| NEI 440.510GC 461gr | GOEX FFg Black | 60.0 gr | 1,151 fps | — | Winchester Large Rifle |
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