Load data for .280 Ackley Improved + 175gr Sierra GameKing
486 suitable loads across 82 powder(s) for cartridge .280 Ackley Improved with 175gr Sierra GameKing bullet.
The most recommended powders for this combination are Alliant Reloder-26, Norma MRP and Vihtavuori N560.
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 + 175gr Sierra GameKing
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) |
|---|---|---|---|---|---|
| 50.2 gr | 3.330" | 26.0" | 2363 fps | ••• | |
| 51.8 gr | 3.330" | 26.0" | 2430 fps | ••• | |
| 52.2 gr | 3.330" | 26.0" | 2401 fps | ••• | |
| ••• | 3.330" | 26.0" | 2520 fps | ••• | |
| ••• | 3.330" | 26.0" | 2639 fps | ••• | |
| ••• | 3.330" | 26.0" | 2698 fps | ••• | |
| ••• | 3.330" | 26.0" | 2758 fps | ••• | |
| ••• | 3.330" | 26.0" | 2426 fps | ••• | |
| ••• | 3.330" | 26.0" | 2533 fps | ••• | |
| ••• | 3.330" | 26.0" | 2587 fps | ••• | |
| ••• | 3.330" | 26.0" | 2276 fps | ••• | |
| ••• | 3.330" | 26.0" | 2380 fps | ••• | |
| ••• | 3.330" | 26.0" | 2483 fps | ••• | |
| ••• | 3.330" | 26.0" | 2584 fps | ••• | |
| ••• | 3.330" | 26.0" | 2633 fps | ••• | |
| ••• | 3.330" | 26.0" | 2685 fps | ••• | |
| ••• | 3.330" | 26.0" | 2427 fps | ••• | |
| ••• | 3.330" | 26.0" | 2548 fps | ••• | |
| ••• | 3.330" | 26.0" | 2501 fps | ••• | |
| ••• | 3.330" | 26.0" | 2554 fps | ••• | |
| ••• | 3.330" | 26.0" | 2580 fps | ••• | |
| ••• | 3.330" | 26.0" | 2485 fps | ••• | |
| ••• | 3.330" | 26.0" | 2566 fps | ••• | |
| ••• | 3.330" | 26.0" | 2646 fps | ••• | |
| ••• | 3.330" | 26.0" | 2686 fps | ••• | |
| ••• | 3.330" | 26.0" | 2264 fps | ••• | |
| ••• | 3.330" | 26.0" | 2369 fps | ••• | |
| ••• | 3.330" | 26.0" | 2474 fps | ••• | |
| ••• | 3.330" | 26.0" | 2578 fps | ••• | |
| ••• | 3.330" | 26.0" | 2435 fps | ••• | |
| ••• | 3.330" | 26.0" | 2553 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.