Load data for .25 WSSM + 87gr Speer Hot-Cor
Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.257 | 87gr | Hot-Cor
Cartridge:.25 WSSM load data
Case Length (L3):1.670" | 42.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.220" | 5.6 mm
Case Capacity:54.3 gow | 3.52 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:14.5
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Community Loads for .25 WSSM + 87gr Speer Hot-Cor
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) |
|---|---|---|---|---|---|
| 48.0 gr | 2.270" | — | 3270 fps | ••• | |
| 50.0 gr | 2.270" | — | 3409 fps | ••• | |
| 39.0 gr | 2.270" | — | 3289 fps | ••• | |
| ••• | 2.270" | — | 3121 fps | ••• | |
| ••• | 2.270" | — | 3379 fps | ••• | |
| ••• | 2.270" | — | 3079 fps | ••• | |
| ••• | 2.270" | — | 3350 fps | ••• | |
| ••• | 2.270" | — | 3288 fps | ••• | |
| ••• | 2.270" | — | 3177 fps | ••• | |
| ••• | 2.270" | — | 3444 fps | ••• | |
| ••• | 2.270" | — | 3013 fps | ••• | |
| ••• | 2.270" | — | 3268 fps | ••• | |
| ••• | 2.270" | — | 3083 fps | ••• | |
| ••• | 2.270" | — | 3338 fps | ••• | |
| ••• | 2.270" | — | 3060 fps | ••• | |
| ••• | 2.270" | — | 3322 fps | ••• | |
| ••• | 2.270" | — | 3235 fps | ••• | |
| ••• | 2.270" | — | 2888 fps | ••• | |
| ••• | 2.270" | — | 3170 fps | ••• | |
| ••• | 2.270" | — | 3310 fps | ••• | |
| ••• | 2.270" | — | 3444 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.