Load data for .280 Ackley Improved + 150gr Sierra GameKing
590 suitable loads across 98 powder(s) for cartridge .280 Ackley Improved with 150gr Sierra GameKing bullet.
The most recommended powders for this combination are ReloadSwiss RS 70, Alliant Reloder-26 and Alliant Reloder-16.
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 + 150gr 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) |
|---|---|---|---|---|---|
| 50.8 gr | 3.330" | 26.0" | 2663 fps | ••• | |
| 52.4 gr | 3.330" | 26.0" | 2735 fps | ••• | |
| 54.0 gr | 3.330" | 26.0" | 2807 fps | ••• | |
| ••• | 3.330" | 26.0" | 2606 fps | ••• | |
| ••• | 3.330" | 26.0" | 2714 fps | ••• | |
| ••• | 3.330" | 26.0" | 2825 fps | ••• | |
| ••• | 3.330" | 26.0" | 2876 fps | ••• | |
| ••• | 3.330" | 26.0" | 2933 fps | ••• | |
| ••• | 3.330" | 26.0" | 2511 fps | ••• | |
| ••• | 3.330" | 26.0" | 2616 fps | ••• | |
| ••• | 3.330" | 26.0" | 2720 fps | ••• | |
| ••• | 3.330" | 26.0" | 2771 fps | ••• | |
| ••• | 3.330" | 26.0" | 2826 fps | ••• | |
| ••• | 3.330" | 26.0" | 2708 fps | ••• | |
| ••• | 3.330" | 26.0" | 2753 fps | ••• | |
| ••• | 3.330" | 26.0" | 2626 fps | ••• | |
| ••• | 3.330" | 26.0" | 2710 fps | ••• | |
| ••• | 3.330" | 26.0" | 2748 fps | ••• | |
| ••• | 3.330" | 26.0" | 2792 fps | ••• | |
| ••• | 3.330" | 26.0" | 2655 fps | ••• | |
| ••• | 3.330" | 26.0" | 2737 fps | ••• | |
| ••• | 3.330" | 26.0" | 2818 fps | ••• | |
| ••• | 3.330" | 26.0" | 2856 fps | ••• | |
| ••• | 3.330" | 26.0" | 2898 fps | ••• | |
| ••• | 3.330" | 26.0" | 2936 fps | ••• | |
| ••• | 3.330" | 26.0" | 2605 fps | ••• | |
| ••• | 3.330" | 26.0" | 2737 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.