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.270 Durham Magnum (P.O. Ackley Data) |
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| Warning! Notes: Standard twist: 10". Special twist: 12". The .270 Durham Magnum is a slight departure from the normal Durham design in that it has slightly more body taper, but the same sharp shoulder. These loads were developed in a 22 inch barrel with 10 inch twist and are considered maximum and should be approached with caution. (Handbook for Shooters & Reloaders/Vol. 1 - P.O. Ackley, 1962) NOTE: USE THIS DATA WITH EXTREME CAUTION |
| Be Alert: Publisher cannot be responsible for errors in published load data. |
| Wt. | Bullet | Powder Manufacturer | Powder | Charge | Velocity (FPS) | |
| 100 | IMR | IMR-4350 | Subscribe | 3740 | ||
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| 130 | IMR | IMR-4350 | Subscribe | 3410 | ||
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| 150 | IMR | IMR-4350 | Subscribe | 3125 | ||
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| 170 | IMR | IMR-4350 | Subscribe | 2950 | ||
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