7 published .400 Williams (P.O. Ackley Data) reloading recipes across 4 powders and 1 bullet manufacturers, with bullet weights from 208 to 400 grains and recorded velocities between 2,150 and 2,500 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 7 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Ideal gas check #.429-.434 hollow point 208gr | Alliant 2400 | 30.0 gr | 2350 fps | — | — |
| Ideal gas check #.429-.434 hollow point 208gr | Hodgdon H-240 | 28.0 gr | 2350 fps | — | — |
| Ideal #429-421 cast 234gr | Alliant 2400 | 32.0 gr | 2200 fps | — | — |
| Ideal #429-421 cast 234gr | Hodgdon H-240 | 28.0 gr | 2200 fps | — | — |
| Barnes Barnes 250gr | IMR IMR-4198 | 65.0 gr | 2400 fps | — | — |
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Search all 7 .400 Williams (P.O. Ackley Data) loads