Load data for 7.5 x 55 Swiss + 165gr Hornady SST InterLock
The most recommended powders for this combination are Vihtavuori N150.
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 | 165gr | SST InterLock
Cartridge:7.5 x 55 Swiss load data
Case Length (L3):2.188" | 55.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.477" | 12.1 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:1:12.5
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Community Loads for 7.5 x 55 Swiss + 165gr Hornady SST InterLock
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) |
|---|---|---|---|---|---|
| 51.0 gr | 3.059" | 20.5" | 2608 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.