Load data for .270 WSM + 130gr Sierra Pro-Hunter
The most recommended powders for this combination are Vihtavuori N160.
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:.277 | 130gr | Pro-Hunter
Cartridge:.270 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.420" | 10.7 mm
Case Capacity:79.5 gow | 5.15 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:1:13.0
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Community Loads for .270 WSM + 130gr Sierra Pro-Hunter
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) |
|---|---|---|---|---|---|
| 57.8 gr | 2.740" | 24.0" | 2885 fps | ••• | |
| 59.1 gr | 2.740" | 24.0" | 2935 fps | ••• | |
| 60.3 gr | 2.740" | 24.0" | 2984 fps | ••• | |
| ••• | 2.740" | 24.0" | 3035 fps | ••• | |
| ••• | 2.740" | 24.0" | 3081 fps | ••• | |
| ••• | 2.740" | 24.0" | 3129 fps | ••• | |
| ••• | 2.740" | 24.0" | 2928 fps | ••• | |
| ••• | 2.740" | 24.0" | 2989 fps | ••• | |
| ••• | 2.740" | 24.0" | 3045 fps | ••• | |
| ••• | 2.740" | 24.0" | 3101 fps | ••• | |
| ••• | 2.740" | 24.0" | 3147 fps | ••• | |
| ••• | 2.740" | 24.0" | 2872 fps | ••• | |
| ••• | 2.740" | 24.0" | 2931 fps | ••• | |
| ••• | 2.740" | 24.0" | 2989 fps | ••• | |
| ••• | 2.740" | 24.0" | 3053 fps | ••• | |
| ••• | 2.740" | 24.0" | 2943 fps | ••• | |
| ••• | 2.740" | 24.0" | 3000 fps | ••• | |
| ••• | 2.740" | 24.0" | 3057 fps | ••• | |
| ••• | 2.740" | 24.0" | 3110 fps | ••• | |
| ••• | 2.740" | 24.0" | 3167 fps | ••• | |
| ••• | 2.740" | 24.0" | 2987 fps | ••• | |
| ••• | 2.740" | 24.0" | 3038 fps | ••• | |
| ••• | 2.740" | 24.0" | 3094 fps | ••• | |
| ••• | 2.740" | 24.0" | 3156 fps | ••• | |
| ••• | 2.740" | 24.0" | 3218 fps | ••• | |
| ••• | 2.740" | 24.0" | 3284 fps | ••• | |
| ••• | 2.740" | 24.0" | 2898 fps | ••• | |
| ••• | 2.740" | 24.0" | 2953 fps | ••• | |
| ••• | 2.740" | 24.0" | 3011 fps | ••• | |
| ••• | 2.740" | 24.0" | 3075 fps | ••• | |
| ••• | 2.740" | 24.0" | 2900 fps | ••• | |
| ••• | 2.740" | 24.0" | 2951 fps | ••• | |
| ••• | 2.740" | 24.0" | 3001 fps | ••• | |
| ••• | 2.740" | 24.0" | 3049 fps | ••• | |
| ••• | 2.740" | 24.0" | 3100 fps | ••• | |
| ••• | 2.740" | 24.0" | 2901 fps | ••• | |
| ••• | 2.740" | 24.0" | 2947 fps | ••• | |
| ••• | 2.740" | 24.0" | 2995 fps | ••• | |
| ••• | 2.740" | 24.0" | 3044 fps | ••• | |
| ••• | 2.740" | 24.0" | 2992 fps | ••• | |
| ••• | 2.740" | 24.0" | 3054 fps | ••• | |
| ••• | 2.740" | 24.0" | 3116 fps | ••• | |
| ••• | 2.740" | 24.0" | 3175 fps | ••• | |
| ••• | 2.740" | 24.0" | 3228 fps | ••• | |
| ••• | 2.835" | 24.4" | 3094 fps | ••• | |
| ••• | 2.795" | 24.4" | 3140 fps | ••• | |
| ••• | 2.835" | 24.4" | 3133 fps | ••• | |
| ••• | 2.740" | 24.0" | 2907 fps | ••• | |
| ••• | 2.740" | 24.0" | 2959 fps | ••• | |
| ••• | 2.740" | 24.0" | 3014 fps | ••• | |
| ••• | 2.740" | 24.0" | 3067 fps | ••• | |
| ••• | 2.740" | 24.0" | 3119 fps | ••• | |
| ••• | 2.740" | 24.0" | 3169 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.