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.260 A.A.R. (P.O. Ackley Data) |
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| Warning! Notes: Standard twist: 9", 10". The .260 AAR is the Improved .257 necked up to accept the 6.5 bullet (or the Improved 7mm necked down). (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-4064 | Subscribe | 3305 | ||
| Remarks: | ||||||
| 120 | IMR | IMR-4350 | Subscribe | 3160 | ||
| Remarks: | ||||||
| 129 | IMR | IMR-4350 | Subscribe | 2813 | ||
| Remarks: | ||||||
| 129 | IMR | IMR-4895 | Subscribe | 2940 | ||
| Remarks: | ||||||
| 129 | IMR | IMR-4895 | Subscribe | 3080 | ||
| Remarks: | ||||||
| 140 | IMR | IMR-4350 | Subscribe | 2767 | ||
| Remarks: | ||||||
| 140 | IMR | IMR-4350 | Subscribe | 2883 | ||
| Remarks: | ||||||