Load data for .280 Rem. + 140gr Sierra SBT GameKing
Based on C.I.P., the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.
Based on C.I.P., the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 58,740 PSI / 4,050 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 140gr | SBT GameKing
Cartridge:.280 Rem. load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.424" | 10.8 mm
Case Capacity:67.9 gow | 4.40 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):58,740 psi | 4,050 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
Get PRO license to unlock all data and calculators
Community Loads for .280 Rem. + 140gr Sierra SBT 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) |
|---|---|---|---|---|---|
| 46.0 gr | 3.330" | 24.0" | 2705 fps | ••• | |
| 47.2 gr | 3.330" | 24.0" | 2757 fps | ••• | |
| 48.4 gr | 3.330" | 24.0" | 2809 fps | ••• | |
| ••• | 3.330" | 24.0" | 2760 fps | ••• | |
| ••• | 3.330" | 24.0" | 2817 fps | ••• | |
| ••• | 3.330" | 24.0" | 2864 fps | ••• | |
| ••• | 3.330" | 24.0" | 2673 fps | ••• | |
| ••• | 3.330" | 24.0" | 2724 fps | ••• | |
| ••• | 3.330" | 24.0" | 2773 fps | ••• | |
| ••• | 3.330" | 24.0" | 2827 fps | ••• | |
| ••• | 3.330" | 24.0" | 2878 fps | ••• | |
| ••• | 3.330" | 24.0" | 2684 fps | ••• | |
| ••• | 3.330" | 24.0" | 2744 fps | ••• | |
| ••• | 3.330" | 24.0" | 2808 fps | ••• | |
| ••• | 3.330" | 24.0" | 2865 fps | ••• | |
| ••• | 3.330" | 24.0" | 2586 fps | ••• | |
| ••• | 3.330" | 24.0" | 2647 fps | ••• | |
| ••• | 3.330" | 24.0" | 2707 fps | ••• | |
| ••• | 3.330" | 24.0" | 2763 fps | ••• | |
| ••• | 3.330" | 24.0" | 2813 fps | ••• | |
| ••• | 3.330" | 24.0" | 2623 fps | ••• | |
| ••• | 3.330" | 24.0" | 2690 fps | ••• | |
| ••• | 3.330" | 24.0" | 2746 fps | ••• | |
| ••• | 3.330" | 24.0" | 2797 fps | ••• | |
| ••• | 3.330" | 24.0" | 2763 fps | ••• | |
| ••• | 3.330" | 24.0" | 2803 fps | ••• | |
| ••• | 3.330" | 24.0" | 2702 fps | ••• | |
| ••• | 3.330" | 24.0" | 2733 fps | ••• | |
| ••• | 3.330" | 24.0" | 2771 fps | ••• | |
| ••• | 3.330" | 24.0" | 2819 fps | ••• | |
| ••• | 3.330" | 24.0" | 2861 fps | ••• | |
| ••• | 3.330" | 24.0" | 2912 fps | ••• | |
| ••• | 3.330" | 24.0" | 2616 fps | ••• | |
| ••• | 3.330" | 24.0" | 2676 fps | ••• | |
| ••• | 3.330" | 24.0" | 2728 fps | ••• | |
| ••• | 3.330" | 24.0" | 2781 fps | ••• | |
| ••• | 3.330" | 24.0" | 2825 fps | ••• | |
| ••• | 3.330" | 24.0" | 2695 fps | ••• | |
| ••• | 3.330" | 24.0" | 2737 fps | ••• | |
| ••• | 3.330" | 24.0" | 2671 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.