Load data for 7 mm STW + 145gr Speer Boat-Tail
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 | 145gr | Boat-Tail
Cartridge:7 mm STW load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.415" | 10.5 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 + 145gr Speer Boat-Tail
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) |
|---|---|---|---|---|---|
| 76.0 gr | 3.600" | — | 2950 fps | ••• | |
| 78.0 gr | 3.600" | — | 3013 fps | ••• | |
| 75.0 gr | 3.600" | — | 2975 fps | ••• | |
| ••• | 3.600" | — | 2746 fps | ••• | |
| ••• | 3.600" | — | 2921 fps | ••• | |
| ••• | 3.600" | — | 3055 fps | ••• | |
| ••• | 3.600" | — | 2999 fps | ••• | |
| ••• | 3.600" | — | 3042 fps | ••• | |
| ••• | 3.600" | — | 2860 fps | ••• | |
| ••• | 3.600" | — | 2920 fps | ••• | |
| ••• | 3.600" | — | 2984 fps | ••• | |
| ••• | 3.600" | — | 2735 fps | ••• | |
| ••• | 3.600" | — | 3020 fps | ••• | |
| ••• | 3.600" | — | 3011 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.