Load data for 7 mm STW + 175gr Speer Grand Slam
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.650 in / 92.71 mm, and the max. allowed pressure is 66,717 PSI / 4,600 bar.
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.650 in / 92.71 mm, and the max. allowed pressure is 66,717 PSI / 4,600 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 175gr | Grand Slam
Cartridge:7 mm STW load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.520" | 13.2 mm
Case Capacity:97 gow | 6.29 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):66,717 psi | 4,600 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
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Community Loads for 7 mm STW + 175gr 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) |
|---|---|---|---|---|---|
| 71.0 gr | 3.600" | — | 2711 fps | ••• | |
| 73.0 gr | 3.600" | — | 2771 fps | ••• | |
| 70.0 gr | 3.600" | — | 2743 fps | ••• | |
| ••• | 3.600" | — | 2580 fps | ••• | |
| ••• | 3.600" | — | 2786 fps | ••• | |
| ••• | 3.600" | — | 2727 fps | ••• | |
| ••• | 3.600" | — | 2788 fps | ••• | |
| ••• | 3.600" | — | 2857 fps | ••• | |
| ••• | 3.600" | — | 2803 fps | ••• | |
| ••• | 3.600" | — | 2681 fps | ••• | |
| ••• | 3.600" | — | 2818 fps | ••• | |
| ••• | 3.600" | — | 2672 fps | ••• | |
| ••• | 3.600" | — | 2939 fps | ••• | |
| ••• | 3.600" | — | 2757 fps | ••• | |
| ••• | 3.600" | — | 2814 fps | ••• | |
| ••• | 3.600" | — | 2542 fps | ••• | |
| ••• | 3.600" | — | 2793 fps | ••• | |
| ••• | 3.600" | — | 2780 fps | ••• | |
| ••• | 3.600" | — | 2850 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.