Load data for .270 Weath. Mag. + 150gr Speer Hot-Cor
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.295 in / 83.69 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.295 in / 83.69 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications
ImperialMetric
Bullet:.277 | 150gr | Hot-Cor
Cartridge:.270 Weath. Mag. load data
Case Length (L3):2.549" | 64.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.479" | 12.2 mm
Case Capacity:82 gow | 5.31 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:12.0
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Community Loads for .270 Weath. Mag. + 150gr 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) |
|---|---|---|---|---|---|
| 77.0 gr | 3.250" | — | 2767 fps | ••• | |
| 56.0 gr | 3.250" | — | 2695 fps | ••• | |
| 60.0 gr | 3.250" | — | 2861 fps | ••• | |
| ••• | 3.250" | — | 2738 fps | ••• | |
| ••• | 3.250" | — | 2909 fps | ••• | |
| ••• | 3.250" | — | 2703 fps | ••• | |
| ••• | 3.250" | — | 2949 fps | ••• | |
| ••• | 3.250" | — | 2779 fps | ••• | |
| ••• | 3.250" | — | 2944 fps | ••• | |
| ••• | 3.250" | — | 2736 fps | ••• | |
| ••• | 3.250" | — | 3009 fps | ••• | |
| ••• | 3.250" | — | 2721 fps | ••• | |
| ••• | 3.250" | — | 3073 fps | ••• | |
| ••• | 3.250" | — | 2651 fps | ••• | |
| ••• | 3.250" | — | 2992 fps | ••• | |
| ••• | 3.250" | — | 2677 fps | ••• | |
| ••• | 3.250" | — | 2847 fps | ••• | |
| ••• | 3.250" | — | 2878 fps | ••• | |
| ••• | 3.250" | — | 3063 fps | ••• | |
| ••• | 3.250" | — | 2769 fps | ••• | |
| ••• | 3.250" | — | 2782 fps | ••• | |
| ••• | 3.250" | — | 2934 fps | ••• | |
| ••• | 3.250" | — | 2690 fps | ••• | |
| ••• | 3.250" | — | 2975 fps | ••• | |
| ••• | 3.250" | — | 2868 fps | ••• | |
| ••• | 3.250" | — | 3037 fps | ••• | |
| ••• | 3.250" | — | 2673 fps | ••• | |
| ••• | 3.250" | — | 2850 fps | ••• | |
| ••• | 3.250" | — | 2768 fps | ••• | |
| ••• | 3.250" | — | 2946 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.