Load data for .300 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:.308 | 150gr | SBT GameKing
Cartridge:.300 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.458" | 11.6 mm
Case Capacity:81.3 gow | 5.27 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:1:14.5
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Community Loads for .300 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) |
|---|---|---|---|---|---|
| 65.1 gr | 2.860" | 24.0" | 2785 fps | ••• | |
| 67.2 gr | 2.860" | 24.0" | 2874 fps | ••• | |
| 69.3 gr | 2.860" | 24.0" | 2964 fps | ••• | |
| ••• | 2.860" | 24.0" | 3051 fps | ••• | |
| ••• | 2.860" | 24.0" | 3142 fps | ••• | |
| ••• | 2.860" | 24.0" | 2754 fps | ••• | |
| ••• | 2.860" | 24.0" | 2842 fps | ••• | |
| ••• | 2.860" | 24.0" | 2931 fps | ••• | |
| ••• | 2.860" | 24.0" | 2675 fps | ••• | |
| ••• | 2.860" | 24.0" | 2765 fps | ••• | |
| ••• | 2.860" | 24.0" | 2863 fps | ••• | |
| ••• | 2.860" | 24.0" | 2967 fps | ••• | |
| ••• | 2.860" | 24.0" | 2847 fps | ••• | |
| ••• | 2.860" | 24.0" | 2954 fps | ••• | |
| ••• | 2.860" | 24.0" | 3055 fps | ••• | |
| ••• | 2.860" | 24.0" | 2951 fps | ••• | |
| ••• | 2.860" | 24.0" | 3072 fps | ••• | |
| ••• | 2.860" | 24.0" | 3140 fps | ••• | |
| ••• | 2.860" | 24.0" | 2851 fps | ••• | |
| ••• | 2.860" | 24.0" | 2956 fps | ••• | |
| ••• | 2.860" | 24.0" | 3067 fps | ••• | |
| ••• | 2.860" | 24.0" | 3125 fps | ••• | |
| ••• | 2.860" | 24.0" | 2677 fps | ••• | |
| ••• | 2.860" | 24.0" | 2791 fps | ••• | |
| ••• | 2.860" | 24.0" | 2663 fps | ••• | |
| ••• | 2.860" | 24.0" | 2766 fps | ••• | |
| ••• | 2.860" | 24.0" | 2865 fps | ••• | |
| ••• | 2.860" | 24.0" | 2960 fps | ••• | |
| ••• | 2.860" | 24.0" | 2679 fps | ••• | |
| ••• | 2.860" | 24.0" | 2771 fps | ••• | |
| ••• | 2.860" | 24.0" | 2860 fps | ••• | |
| ••• | 2.860" | 24.0" | 2948 fps | ••• | |
| ••• | 2.860" | 24.0" | 3038 fps | ••• | |
| ••• | 2.860" | 24.0" | 3084 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.