15 published .220 Swift Improved (P.O. Ackley Data) reloading recipes across 6 powders, with bullet weights from 50 to 63 grains and recorded velocities between 3,300 and 4,100 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 15 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| 50gr | Hodgdon H-380 | 45.0 gr | 3905 fps | — | — |
| 50gr | IMR IMR-3031 | 39.0 gr | 3985 fps | — | — |
| 50gr | IMR IMR-3031 | 35.0 gr | 3615 fps | — | — |
| 50gr | IMR IMR-4064 | 41.0 gr | 3980 fps | — | — |
| 50gr | IMR IMR-4320 | 42.0 gr | 4100 fps | — | — |
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Search all 15 .220 Swift Improved (P.O. Ackley Data) loads