Load data for .270 WSM + 150gr Sierra SBT GameKing
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.277 | 150gr | SBT GameKing
Cartridge:.270 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.588" | 14.9 mm
Case Capacity:79.5 gow | 5.15 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.0
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Community Loads for .270 WSM + 150gr 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) |
|---|---|---|---|---|---|
| 57.8 gr | 2.800" | 24.0" | 3000 fps | ••• | |
| 54.1 gr | 2.750" | 24.0" | 2690 fps | ••• | |
| 55.6 gr | 2.750" | 24.0" | 2747 fps | ••• | |
| ••• | 2.750" | 24.0" | 2800 fps | ••• | |
| ••• | 2.750" | 24.0" | 2852 fps | ••• | |
| ••• | 2.750" | 24.0" | 2900 fps | ••• | |
| ••• | 2.800" | 24.0" | 2935 fps | ••• | |
| ••• | 2.750" | 24.0" | 2733 fps | ••• | |
| ••• | 2.750" | 24.0" | 2786 fps | ••• | |
| ••• | 2.750" | 24.0" | 2840 fps | ••• | |
| ••• | 2.750" | 24.0" | 2901 fps | ••• | |
| ••• | 2.750" | 24.0" | 2968 fps | ••• | |
| ••• | 2.750" | 24.0" | 2748 fps | ••• | |
| ••• | 2.750" | 24.0" | 2818 fps | ••• | |
| ••• | 2.750" | 24.0" | 2613 fps | ••• | |
| ••• | 2.750" | 24.0" | 2706 fps | ••• | |
| ••• | 2.750" | 24.0" | 2795 fps | ••• | |
| ••• | 2.750" | 24.0" | 2865 fps | ••• | |
| ••• | 2.750" | 24.0" | 2820 fps | ••• | |
| ••• | 2.750" | 24.0" | 2901 fps | ••• | |
| ••• | 2.750" | 24.0" | 2978 fps | ••• | |
| ••• | 2.750" | 24.0" | 3052 fps | ••• | |
| ••• | 2.750" | 24.0" | 3117 fps | ••• | |
| ••• | 2.750" | 24.0" | 2751 fps | ••• | |
| ••• | 2.750" | 24.0" | 2804 fps | ••• | |
| ••• | 2.750" | 24.0" | 2857 fps | ••• | |
| ••• | 2.750" | 24.0" | 2908 fps | ••• | |
| ••• | 2.750" | 24.0" | 2966 fps | ••• | |
| ••• | 2.750" | 24.0" | 2733 fps | ••• | |
| ••• | 2.750" | 24.0" | 2777 fps | ••• | |
| ••• | 2.750" | 24.0" | 2828 fps | ••• | |
| ••• | 2.750" | 24.0" | 2879 fps | ••• | |
| ••• | 2.750" | 24.0" | 2872 fps | ••• | |
| ••• | 2.750" | 24.0" | 2926 fps | ••• | |
| ••• | 2.750" | 24.0" | 2974 fps | ••• | |
| ••• | 2.750" | 24.0" | 3027 fps | ••• | |
| ••• | 2.750" | 24.0" | 2733 fps | ••• | |
| ••• | 2.750" | 24.0" | 2783 fps | ••• | |
| ••• | 2.750" | 24.0" | 2836 fps | ••• | |
| ••• | 2.750" | 24.0" | 2891 fps | ••• | |
| ••• | 2.750" | 24.0" | 2942 fps | ••• | |
| ••• | 2.750" | 24.0" | 2994 fps | ••• | |
| ••• | 2.750" | 24.0" | 2698 fps | ••• | |
| ••• | 2.750" | 24.0" | 2760 fps | ••• | |
| ••• | 2.750" | 24.0" | 2823 fps | ••• | |
| ••• | 2.750" | 24.0" | 2881 fps | ••• | |
| ••• | 2.750" | 24.0" | 2942 fps | ••• | |
| ••• | 2.750" | 24.0" | 2996 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.