Load data for 7 mm STW + 139gr Hornady InterLock FP
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 | 139gr | InterLock FP
Cartridge:7 mm STW load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.235" | 6.0 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:1:15.5
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Community Loads for 7 mm STW + 139gr Hornady InterLock FP
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) |
|---|---|---|---|---|---|
| 81.0 gr | 3.585" | 24.0" | 2975 fps | ••• | |
| 85.5 gr | 3.585" | 24.0" | 3141 fps | ••• | |
| 71.0 gr | 3.585" | 24.0" | 3068 fps | ••• | |
| ••• | 3.585" | 24.0" | 2827 fps | ••• | |
| ••• | 3.585" | 24.0" | 2990 fps | ••• | |
| ••• | 3.585" | 24.0" | 3182 fps | ••• | |
| ••• | 3.585" | 24.0" | 2961 fps | ••• | |
| ••• | 3.585" | 24.0" | 3104 fps | ••• | |
| ••• | 3.585" | 24.0" | 2807 fps | ••• | |
| ••• | 3.585" | 24.0" | 2899 fps | ••• | |
| ••• | 3.585" | 24.0" | 3067 fps | ••• | |
| ••• | 3.585" | 24.0" | 3236 fps | ••• | |
| ••• | 3.585" | 24.0" | 3086 fps | ••• | |
| ••• | 3.585" | 24.0" | 3124 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.