14 published .221 Remington Fireball (P.O. Ackley Data) reloading recipes across 3 powders, with bullet weights from 35 to 70 grains and recorded velocities between 2,340 and 3,172 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 14 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| 35gr | IMR IMR-4227 | 17.5 gr | 3100 fps | — | — |
| 35gr | IMR IMR-4227 | 16.8 gr | 2860 fps | — | — |
| 40gr | IMR IMR-4227 | 17.2 gr | 2935 fps | — | — |
| 50gr | Alliant 2400 | 16.0 gr | 3120 fps | — | — |
| 50gr | IMR IMR-4198 | 18.0 gr | 3050 fps | — | — |
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Search all 14 .221 Remington Fireball (P.O. Ackley Data) loads