Load data for 7 mm WSM + 160gr 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 | 160gr | Grand Slam
Cartridge:7 mm WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.460" | 11.7 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
Get PRO license to unlock all data and calculators
Community Loads for 7 mm WSM + 160gr 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) |
|---|---|---|---|---|---|
| 60.0 gr | 2.800" | — | 2636 fps | ••• | |
| 64.0 gr | 2.800" | — | 2794 fps | ••• | |
| 54.1 gr | 2.800" | — | 2715 fps | ••• | |
| ••• | 2.800" | — | 2789 fps | ••• | |
| ••• | 2.800" | — | 2721 fps | ••• | |
| ••• | 2.800" | — | 2885 fps | ••• | |
| ••• | 2.800" | — | 2637 fps | ••• | |
| ••• | 2.800" | — | 2806 fps | ••• | |
| ••• | 2.800" | — | 2717 fps | ••• | |
| ••• | 2.800" | — | 2841 fps | ••• | |
| ••• | 2.800" | — | 3002 fps | ••• | |
| ••• | 2.800" | — | 2537 fps | ••• | |
| ••• | 2.800" | — | 2706 fps | ••• | |
| ••• | 2.800" | — | 2714 fps | ••• | |
| ••• | 2.800" | — | 2648 fps | ••• | |
| ••• | 2.800" | — | 2803 fps | ••• | |
| ••• | 2.800" | — | 2861 fps | ••• | |
| ••• | 2.800" | — | 2710 fps | ••• | |
| ••• | 2.800" | — | 2886 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.