Load data for 7.5 x 55 Swiss + 150gr Sierra SBT GameKing
Based on C.I.P., the max. allowed case length is 2.189 in / 55.60 mm, the max. cartridge length is 3.059 in / 77.70 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.
Based on C.I.P., the max. allowed case length is 2.189 in / 55.60 mm, the max. cartridge length is 3.059 in / 77.70 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 150gr | SBT GameKing
Cartridge:7.5 x 55 Swiss load data
Case Length (L3):2.188" | 55.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.458" | 11.6 mm
Case Capacity:65 gow | 4.21 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):55,114 psi | 3,800 bar
Barrel Length:31.0" | 787 mm
Min. Twist Rate:1:14.5
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Community Loads for 7.5 x 55 Swiss + 150gr Sierra SBT GameKing
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) |
|---|---|---|---|---|---|
| 56.0 gr | 3.059" | 30.7" | 2688 fps | ••• | |
| 58.0 gr | 3.059" | 30.7" | 2788 fps | ••• | |
| 45.0 gr | 3.059" | 30.7" | 2695 fps | ••• | |
| ••• | 3.059" | 30.7" | 2772 fps | ••• | |
| ••• | 3.059" | 30.7" | 2492 fps | ••• | |
| ••• | 3.059" | 30.7" | 2588 fps | ••• | |
| ••• | 3.059" | 30.7" | 2682 fps | ••• | |
| ••• | 3.059" | 30.7" | 2776 fps | ••• | |
| ••• | 3.059" | 30.7" | 2788 fps | ••• | |
| ••• | 3.059" | 30.7" | 2890 fps | ••• | |
| ••• | 3.059" | 30.7" | 2788 fps | ••• | |
| ••• | 3.059" | 30.7" | 2680 fps | ••• | |
| ••• | 3.059" | 30.7" | 2767 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.