Load data for .300 WSM + 150gr Sierra 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 | GameKing
Cartridge:.300 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.438" | 11.1 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 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" | 2813 fps | ••• | |
| 67.2 gr | 2.860" | 24.0" | 2903 fps | ••• | |
| 69.3 gr | 2.860" | 24.0" | 2994 fps | ••• | |
| ••• | 2.860" | 24.0" | 3085 fps | ••• | |
| ••• | 2.860" | 24.0" | 3174 fps | ••• | |
| ••• | 2.860" | 24.0" | 2784 fps | ••• | |
| ••• | 2.860" | 24.0" | 2874 fps | ••• | |
| ••• | 2.860" | 24.0" | 2962 fps | ••• | |
| ••• | 2.860" | 24.0" | 3053 fps | ••• | |
| ••• | 2.860" | 24.0" | 2703 fps | ••• | |
| ••• | 2.860" | 24.0" | 2793 fps | ••• | |
| ••• | 2.860" | 24.0" | 2891 fps | ••• | |
| ••• | 2.860" | 24.0" | 2998 fps | ••• | |
| ••• | 2.860" | 24.0" | 2749 fps | ••• | |
| ••• | 2.860" | 24.0" | 2872 fps | ••• | |
| ••• | 2.860" | 24.0" | 2982 fps | ••• | |
| ••• | 2.860" | 24.0" | 3083 fps | ••• | |
| ••• | 2.860" | 24.0" | 2763 fps | ••• | |
| ••• | 2.860" | 24.0" | 2869 fps | ••• | |
| ••• | 2.860" | 24.0" | 2983 fps | ••• | |
| ••• | 2.860" | 24.0" | 3108 fps | ••• | |
| ••• | 2.860" | 24.0" | 3176 fps | ••• | |
| ••• | 2.860" | 24.0" | 2751 fps | ••• | |
| ••• | 2.860" | 24.0" | 2848 fps | ••• | |
| ••• | 2.860" | 24.0" | 2770 fps | ••• | |
| ••• | 2.860" | 24.0" | 2854 fps | ••• | |
| ••• | 2.860" | 24.0" | 2943 fps | ••• | |
| ••• | 2.860" | 24.0" | 3036 fps | ••• | |
| ••• | 2.860" | 24.0" | 2879 fps | ••• | |
| ••• | 2.860" | 24.0" | 2985 fps | ••• | |
| ••• | 2.860" | 24.0" | 3098 fps | ••• | |
| ••• | 2.860" | 24.0" | 3156 fps | ••• | |
| ••• | 2.860" | 24.0" | 2583 fps | ••• | |
| ••• | 2.860" | 24.0" | 2712 fps | ••• | |
| ••• | 2.860" | 24.0" | 2827 fps | ••• | |
| ••• | 2.860" | 24.0" | 2689 fps | ••• | |
| ••• | 2.860" | 24.0" | 2796 fps | ••• | |
| ••• | 2.860" | 24.0" | 2895 fps | ••• | |
| ••• | 2.860" | 24.0" | 2993 fps | ••• | |
| ••• | 2.860" | 24.0" | 2706 fps | ••• | |
| ••• | 2.860" | 24.0" | 2802 fps | ••• | |
| ••• | 2.860" | 24.0" | 2891 fps | ••• | |
| ••• | 2.860" | 24.0" | 2983 fps | ••• | |
| ••• | 2.860" | 24.0" | 3072 fps | ••• | |
| ••• | 2.860" | 24.0" | 3120 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.