Load data for .25 WSSM + 100gr Sierra MatchKing
Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.257 | 100gr | MatchKing
Cartridge:.25 WSSM load data
Case Length (L3):1.670" | 42.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.428" | 10.9 mm
Case Capacity:54.3 gow | 3.52 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:10.5
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Community Loads for .25 WSSM + 100gr Sierra 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) |
|---|---|---|---|---|---|
| 38.9 gr | 2.360" | 26.0" | 2978 fps | ••• | |
| 39.5 gr | 2.360" | 26.0" | 3012 fps | ••• | |
| 37.3 gr | 2.360" | 26.0" | 2880 fps | ••• | |
| ••• | 2.360" | 26.0" | 2975 fps | ••• | |
| ••• | 2.360" | 26.0" | 3026 fps | ••• | |
| ••• | 2.360" | 26.0" | 3070 fps | ••• | |
| ••• | 2.360" | 26.0" | 2944 fps | ••• | |
| ••• | 2.360" | 26.0" | 3029 fps | ••• | |
| ••• | 2.360" | 26.0" | 3075 fps | ••• | |
| ••• | 2.360" | 26.0" | 3119 fps | ••• | |
| ••• | 2.360" | 26.0" | 3000 fps | ••• | |
| ••• | 2.360" | 26.0" | 3102 fps | ••• | |
| ••• | 2.360" | 26.0" | 3159 fps | ••• | |
| ••• | 2.360" | 26.0" | 3208 fps | ••• | |
| ••• | 2.360" | 26.0" | 3258 fps | ••• | |
| ••• | 2.360" | 26.0" | 2896 fps | ••• | |
| ••• | 2.360" | 26.0" | 2977 fps | ••• | |
| ••• | 2.360" | 26.0" | 3021 fps | ••• | |
| ••• | 2.360" | 26.0" | 3063 fps | ••• | |
| ••• | 2.360" | 26.0" | 3106 fps | ••• | |
| ••• | 2.360" | 26.0" | 2895 fps | ••• | |
| ••• | 2.360" | 26.0" | 2976 fps | ••• | |
| ••• | 2.360" | 26.0" | 3019 fps | ••• | |
| ••• | 2.360" | 26.0" | 3063 fps | ••• | |
| ••• | 2.360" | 26.0" | 3100 fps | ••• | |
| ••• | 2.360" | 26.0" | 2866 fps | ••• | |
| ••• | 2.360" | 26.0" | 2967 fps | ••• | |
| ••• | 2.360" | 26.0" | 3017 fps | ••• | |
| ••• | 2.360" | 26.0" | 3067 fps | ••• | |
| ••• | 2.360" | 26.0" | 3116 fps | ••• | |
| ••• | 2.360" | 26.0" | 2961 fps | ••• | |
| ••• | 2.360" | 26.0" | 3062 fps | ••• | |
| ••• | 2.360" | 26.0" | 3113 fps | ••• | |
| ••• | 2.360" | 26.0" | 3162 fps | ••• | |
| ••• | 2.360" | 26.0" | 3212 fps | ••• | |
| ••• | 2.360" | 26.0" | 2959 fps | ••• | |
| ••• | 2.360" | 26.0" | 3004 fps | ••• | |
| ••• | 2.360" | 26.0" | 3049 fps | ••• | |
| ••• | 2.360" | 26.0" | 3099 fps | ••• | |
| ••• | 2.360" | 26.0" | 2868 fps | ••• | |
| ••• | 2.360" | 26.0" | 2984 fps | ••• | |
| ••• | 2.360" | 26.0" | 3043 fps | ••• | |
| ••• | 2.360" | 26.0" | 3100 fps | ••• | |
| ••• | 2.360" | 26.0" | 3001 fps | ••• | |
| ••• | 2.360" | 26.0" | 3059 fps | ••• | |
| ••• | 2.360" | 26.0" | 3117 fps | ••• | |
| ••• | 2.360" | 26.0" | 2861 fps | ••• | |
| ••• | 2.360" | 26.0" | 2970 fps | ••• | |
| ••• | 2.360" | 26.0" | 3024 fps | ••• | |
| ••• | 2.360" | 26.0" | 3079 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.