Load data for .280 Ackley Improved + 140gr Sierra HPBT GameKing
622 suitable loads across 108 powder(s) for cartridge .280 Ackley Improved with 140gr Sierra HPBT GameKing bullet.
The most recommended powders for this combination are Alliant Reloder-17, ReloadSwiss RS 60 and ReloadSwiss RS 70.
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 HPBT 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) |
|---|---|---|---|---|---|
| 52.4 gr | 3.330" | 26.0" | 2513 fps | ••• | |
| 54.4 gr | 3.330" | 26.0" | 2607 fps | ••• | |
| 56.6 gr | 3.330" | 26.0" | 2709 fps | ••• | |
| ••• | 3.330" | 26.0" | 2812 fps | ••• | |
| ••• | 3.330" | 26.0" | 2863 fps | ••• | |
| ••• | 3.330" | 26.0" | 2670 fps | ••• | |
| ••• | 3.330" | 26.0" | 2772 fps | ••• | |
| ••• | 3.330" | 26.0" | 2872 fps | ••• | |
| ••• | 3.330" | 26.0" | 2971 fps | ••• | |
| ••• | 3.330" | 26.0" | 2925 fps | ••• | |
| ••• | 3.330" | 26.0" | 2607 fps | ••• | |
| ••• | 3.330" | 26.0" | 2627 fps | ••• | |
| ••• | 3.330" | 26.0" | 2725 fps | ••• | |
| ••• | 3.330" | 26.0" | 2827 fps | ••• | |
| ••• | 3.330" | 26.0" | 2846 fps | ••• | |
| ••• | 3.330" | 26.0" | 2902 fps | ••• | |
| ••• | 3.330" | 26.0" | 2927 fps | ••• | |
| ••• | 3.330" | 26.0" | 2963 fps | ••• | |
| ••• | 3.330" | 26.0" | 2889 fps | ••• | |
| ••• | 3.330" | 26.0" | 2872 fps | ••• | |
| ••• | 3.330" | 26.0" | 2876 fps | ••• | |
| ••• | 3.330" | 26.0" | 2657 fps | ••• | |
| ••• | 3.330" | 26.0" | 2671 fps | ••• | |
| ••• | 3.330" | 26.0" | 2744 fps | ••• | |
| ••• | 3.330" | 26.0" | 2768 fps | ••• | |
| ••• | 3.330" | 26.0" | 2832 fps | ••• | |
| ••• | 3.330" | 26.0" | 2864 fps | ••• | |
| ••• | 3.330" | 26.0" | 2909 fps | ••• | |
| ••• | 3.330" | 26.0" | 2918 fps | ••• | |
| ••• | 3.330" | 26.0" | 2958 fps | ••• | |
| ••• | 3.330" | 26.0" | 3002 fps | ••• | |
| ••• | 3.330" | 26.0" | 2663 fps | ••• | |
| ••• | 3.330" | 26.0" | 2681 fps | ••• | |
| ••• | 3.330" | 26.0" | 2769 fps | ••• | |
| ••• | 3.330" | 26.0" | 2855 fps | ••• | |
| ••• | 3.330" | 26.0" | 2872 fps | ••• | |
| ••• | 3.330" | 26.0" | 2941 fps | ••• | |
| ••• | 3.330" | 26.0" | 2976 fps | ••• | |
| ••• | 3.330" | 26.0" | 3024 fps | ••• | |
| ••• | 3.330" | 26.0" | 3107 fps | ••• | |
| ••• | 3.330" | 26.0" | 2802 fps | ••• | |
| ••• | 3.330" | 26.0" | 2814 fps | ••• | |
| ••• | 3.330" | 26.0" | 2921 fps | ••• | |
| ••• | 3.330" | 26.0" | 2737 fps | ••• | |
| ••• | 3.330" | 26.0" | 2780 fps | ••• | |
| ••• | 3.330" | 26.0" | 2824 fps | ••• | |
| ••• | 3.330" | 26.0" | 2909 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.