9 published .17 Mach IV in a Cooper Rifle reloading recipes across 6 powders, with bullet weights from 20 to 25 grains and recorded velocities between 2,472 and 4,179 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 9 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| 20gr | Hodgdon H-335 | 20.3 gr | 4,179 fps | — | — |
| 20gr | IMR IMR-4198 | 16.2 gr | 4,130 fps | — | — |
| 20gr | IMR IMR-4759 | 7.0 gr | 2,472 fps | — | — |
| 20gr | Ramshot X-Terminator | 20.5 gr | 4,151 fps | — | — |
| 25gr | Accurate AAC-2230 | 18.0 gr | 3,810 fps | — | — |
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Search all 9 .17 Mach IV in a Cooper Rifle loads