Load data for .300 WSM + 165gr 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 | 165gr | GameKing
Cartridge:.300 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.473" | 12.0 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
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Community Loads for .300 WSM + 165gr 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) |
|---|---|---|---|---|---|
| 63.5 gr | 2.860" | 24.0" | 2728 fps | ••• | |
| 65.8 gr | 2.860" | 24.0" | 2824 fps | ••• | |
| 68.0 gr | 2.860" | 24.0" | 2916 fps | ••• | |
| ••• | 2.860" | 24.0" | 2962 fps | ••• | |
| ••• | 2.860" | 24.0" | 3004 fps | ••• | |
| ••• | 2.860" | 24.0" | 2857 fps | ••• | |
| ••• | 2.860" | 24.0" | 2903 fps | ••• | |
| ••• | 2.860" | 24.0" | 2949 fps | ••• | |
| ••• | 2.860" | 24.0" | 2987 fps | ••• | |
| ••• | 2.860" | 24.0" | 2693 fps | ••• | |
| ••• | 2.860" | 24.0" | 2800 fps | ••• | |
| ••• | 2.860" | 24.0" | 2902 fps | ••• | |
| ••• | 2.860" | 24.0" | 2952 fps | ••• | |
| ••• | 2.860" | 24.0" | 2894 fps | ••• | |
| ••• | 2.860" | 24.0" | 2951 fps | ••• | |
| ••• | 2.860" | 24.0" | 2606 fps | ••• | |
| ••• | 2.860" | 24.0" | 2683 fps | ••• | |
| ••• | 2.860" | 24.0" | 2771 fps | ••• | |
| ••• | 2.860" | 24.0" | 2866 fps | ••• | |
| ••• | 2.860" | 24.0" | 2917 fps | ••• | |
| ••• | 2.860" | 24.0" | 2846 fps | ••• | |
| ••• | 2.860" | 24.0" | 2940 fps | ••• | |
| ••• | 2.860" | 24.0" | 2991 fps | ••• | |
| ••• | 2.860" | 24.0" | 3044 fps | ••• | |
| ••• | 2.860" | 24.0" | 3100 fps | ••• | |
| ••• | 2.860" | 24.0" | 2678 fps | ••• | |
| ••• | 2.860" | 24.0" | 2787 fps | ••• | |
| ••• | 2.860" | 24.0" | 2890 fps | ••• | |
| ••• | 2.860" | 24.0" | 2936 fps | ••• | |
| ••• | 2.860" | 24.0" | 2664 fps | ••• | |
| ••• | 2.860" | 24.0" | 2764 fps | ••• | |
| ••• | 2.860" | 24.0" | 2899 fps | ••• | |
| ••• | 2.800" | 25.6" | 2986 fps | ••• | |
| ••• | 2.860" | 24.0" | 2980 fps | ••• | |
| ••• | 2.800" | 25.6" | 3104 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.