Load data for .307 Win. + 170gr Speer Hot-Cor
Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.560 in / 65.02 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.

Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.560 in / 65.02 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 170gr | Hot-Cor
Cartridge:.307 Win. load data
Case Length (L3):2.014" | 51.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.624" | 15.8 mm
Case Capacity:54 gow | 3.50 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):60,191 psi | 4,150 bar
Barrel Length:20.0" | 508 mm
Min. Twist Rate:1:14.5
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Community Loads for .307 Win. + 170gr 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) |
|---|---|---|---|---|---|
| 38.0 gr | 2.530" | — | 2508 fps | ••• | |
| 39.0 gr | 2.530" | — | 2367 fps | ••• | |
| 35.0 gr | 2.530" | — | 2259 fps | ••• | |
| ••• | 2.530" | — | 2485 fps | ••• | |
| ••• | 2.530" | — | 2255 fps | ••• | |
| ••• | 2.530" | — | 2367 fps | ••• | |
| ••• | 2.530" | — | 2304 fps | ••• | |
| ••• | 2.530" | — | 2463 fps | ••• | |
| ••• | 2.530" | — | 2367 fps | ••• | |
| ••• | 2.530" | — | 2494 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.