Load data for .300 WSM + 155gr Sierra Tipped MatchKing
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
Cartridge:.300 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.543" | 13.8 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:1:12.5
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Community Loads for .300 WSM + 155gr Sierra Tipped MatchKing
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" | 2852 fps | ••• | |
| 67.2 gr | 2.860" | 24.0" | 2944 fps | ••• | |
| 69.3 gr | 2.860" | 24.0" | 3035 fps | ••• | |
| ••• | 2.860" | 24.0" | 3129 fps | ••• | |
| ••• | 2.860" | 24.0" | 2832 fps | ••• | |
| ••• | 2.860" | 24.0" | 2923 fps | ••• | |
| ••• | 2.860" | 24.0" | 3013 fps | ••• | |
| ••• | 2.860" | 24.0" | 3105 fps | ••• | |
| ••• | 2.860" | 24.0" | 2743 fps | ••• | |
| ••• | 2.860" | 24.0" | 2835 fps | ••• | |
| ••• | 2.860" | 24.0" | 2932 fps | ••• | |
| ••• | 2.860" | 24.0" | 3039 fps | ••• | |
| ••• | 2.860" | 24.0" | 2751 fps | ••• | |
| ••• | 2.860" | 24.0" | 2895 fps | ••• | |
| ••• | 2.860" | 24.0" | 2779 fps | ••• | |
| ••• | 2.860" | 24.0" | 2904 fps | ••• | |
| ••• | 2.860" | 24.0" | 3014 fps | ••• | |
| ••• | 2.860" | 24.0" | 3117 fps | ••• | |
| ••• | 2.860" | 24.0" | 2808 fps | ••• | |
| ••• | 2.860" | 24.0" | 2916 fps | ••• | |
| ••• | 2.860" | 24.0" | 3033 fps | ••• | |
| ••• | 2.860" | 24.0" | 2781 fps | ••• | |
| ••• | 2.860" | 24.0" | 2878 fps | ••• | |
| ••• | 2.860" | 24.0" | 2960 fps | ••• | |
| ••• | 2.860" | 24.0" | 3036 fps | ••• | |
| ••• | 2.860" | 24.0" | 3071 fps | ••• | |
| ••• | 2.860" | 24.0" | 2822 fps | ••• | |
| ••• | 2.860" | 24.0" | 2907 fps | ••• | |
| ••• | 2.860" | 24.0" | 2998 fps | ••• | |
| ••• | 2.860" | 24.0" | 3094 fps | ••• | |
| ••• | 2.860" | 24.0" | 2916 fps | ••• | |
| ••• | 2.860" | 24.0" | 3021 fps | ••• | |
| ••• | 2.860" | 24.0" | 3137 fps | ••• | |
| ••• | 2.860" | 24.0" | 3195 fps | ••• | |
| ••• | 2.860" | 24.0" | 2641 fps | ••• | |
| ••• | 2.860" | 24.0" | 2773 fps | ••• | |
| ••• | 2.860" | 24.0" | 2892 fps | ••• | |
| ••• | 2.860" | 24.0" | 2732 fps | ••• | |
| ••• | 2.860" | 24.0" | 2839 fps | ••• | |
| ••• | 2.860" | 24.0" | 2941 fps | ••• | |
| ••• | 2.860" | 24.0" | 2756 fps | ••• | |
| ••• | 2.860" | 24.0" | 2852 fps | ••• | |
| ••• | 2.860" | 24.0" | 2943 fps | ••• | |
| ••• | 2.860" | 24.0" | 3037 fps | ••• | |
| ••• | 2.860" | 24.0" | 3127 fps | ••• | |
| ••• | 2.860" | 24.0" | 3176 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.