24 published .243 Winchester Improved (Mashburn) (P.O. Ackley Data) reloading recipes across 6 powders, with bullet weights from 70 to 100 grains and recorded velocities between 3,135 and 3,825 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 |
|---|---|---|---|---|---|
| 100gr | IMR IMR-3031 | 38.0 gr | 3,165 fps | — | — |
| 100gr | IMR IMR-4064 | 39.0 gr | 3,135 fps | — | — |
| 100gr | IMR IMR-4320 | 41.0 gr | 3,145 fps | — | — |
| 100gr | IMR IMR-4350 | 45.0 gr | 3,215 fps | — | — |
| 100gr | IMR IMR-4831 | 47.0 gr | 3,245 fps | — | — |
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Open the full search to narrow .243 Winchester Improved (Mashburn) (P.O. Ackley Data) data by bullet weight, powder manufacturer, powder and bullet make.
Search all 24 .243 Winchester Improved (Mashburn) (P.O. Ackley Data) loads