Load data for 7 mm WSM + 145gr Speer Grand Slam
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:.284 | 145gr | Grand Slam
Cartridge:7 mm WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.455" | 11.6 mm
Case Capacity:81.1 gow | 5.26 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 7 mm WSM + 145gr Speer Grand Slam
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) |
|---|---|---|---|---|---|
| 62.0 gr | 2.745" | — | 2758 fps | ••• | |
| 66.0 gr | 2.745" | — | 2927 fps | ••• | |
| 55.2 gr | 2.745" | — | 2816 fps | ••• | |
| ••• | 2.745" | — | 3063 fps | ••• | |
| ••• | 2.745" | — | 3048 fps | ••• | |
| ••• | 2.745" | — | 2851 fps | ••• | |
| ••• | 2.745" | — | 3022 fps | ••• | |
| ••• | 2.745" | — | 2800 fps | ••• | |
| ••• | 2.745" | — | 2977 fps | ••• | |
| ••• | 2.745" | — | 2982 fps | ••• | |
| ••• | 2.745" | — | 2906 fps | ••• | |
| ••• | 2.745" | — | 2656 fps | ••• | |
| ••• | 2.745" | — | 2832 fps | ••• | |
| ••• | 2.745" | — | 2726 fps | ••• | |
| ••• | 2.745" | — | 2892 fps | ••• | |
| ••• | 2.745" | — | 2825 fps | ••• | |
| ••• | 2.745" | — | 2984 fps | ••• | |
| ••• | 2.745" | — | 2727 fps | ••• | |
| ••• | 2.745" | — | 2888 fps | ••• | |
| ••• | 2.745" | — | 2907 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.