Load data for .280 Ackley Improved + 140gr Sierra Pro-Hunter
597 suitable loads across 101 powder(s) for cartridge .280 Ackley Improved with 140gr Sierra Pro-Hunter bullet.
The most recommended powders for this combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
Based on SAAMI, the max. allowed case length is 2.525 in / 64.14 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Based on SAAMI, the max. allowed case length is 2.525 in / 64.14 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Load Specifications
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Community Loads for .280 Ackley Improved + 140gr Sierra Pro-Hunter
Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.
| Powder | Charge (gr) | C.O.L. | Barrel Length | Velocity (fps) | Pressure (psi) |
|---|---|---|---|---|---|
| 51.8 gr | 3.330" | 26.0" | 2727 fps | ••• | |
| 53.9 gr | 3.330" | 26.0" | 2825 fps | ••• | |
| 56.0 gr | 3.330" | 26.0" | 2923 fps | ••• | |
| ••• | 3.330" | 26.0" | 2796 fps | ••• | |
| ••• | 3.330" | 26.0" | 2851 fps | ••• | |
| ••• | 3.330" | 26.0" | 2910 fps | ••• | |
| ••• | 3.330" | 26.0" | 2702 fps | ••• | |
| ••• | 3.330" | 26.0" | 2724 fps | ••• | |
| ••• | 3.330" | 26.0" | 2817 fps | ••• | |
| ••• | 3.330" | 26.0" | 2860 fps | ••• | |
| ••• | 3.330" | 26.0" | 2909 fps | ••• | |
| ••• | 3.330" | 26.0" | 2725 fps | ••• | |
| ••• | 3.330" | 26.0" | 2809 fps | ••• | |
| ••• | 3.330" | 26.0" | 2827 fps | ••• | |
| ••• | 3.330" | 26.0" | 2893 fps | ••• | |
| ••• | 3.330" | 26.0" | 2927 fps | ••• | |
| ••• | 3.330" | 26.0" | 2975 fps | ••• | |
| ••• | 3.330" | 26.0" | 3056 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.