Load data for .300 Weath. Mag. + 150gr Speer Hot-Cor
Based on C.I.P., the max. allowed case length is 2.825 in / 71.75 mm, the max. cartridge length is 3.560 in / 90.42 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 2.825 in / 71.75 mm, the max. cartridge length is 3.560 in / 90.42 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 150gr | Hot-Cor
Cartridge:.300 Weath. Mag. load data
Case Length (L3):2.824" | 71.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.472" | 12.0 mm
Case Capacity:98.9 gow | 6.41 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:16.0
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Community Loads for .300 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) |
|---|---|---|---|---|---|
| 78.0 gr | 3.335" | — | 2899 fps | ••• | |
| 82.0 gr | 3.335" | — | 3046 fps | ••• | |
| 72.5 gr | 3.335" | — | 3004 fps | ••• | |
| ••• | 3.335" | — | 3152 fps | ••• | |
| ••• | 3.335" | — | 3081 fps | ••• | |
| ••• | 3.335" | — | 3230 fps | ••• | |
| ••• | 3.335" | — | 3091 fps | ••• | |
| ••• | 3.335" | — | 3243 fps | ••• | |
| ••• | 3.335" | — | 2865 fps | ••• | |
| ••• | 3.335" | — | 3160 fps | ••• | |
| ••• | 3.335" | — | 2842 fps | ••• | |
| ••• | 3.335" | — | 3180 fps | ••• | |
| ••• | 3.335" | — | 2822 fps | ••• | |
| ••• | 3.335" | — | 3005 fps | ••• | |
| ••• | 3.335" | — | 3058 fps | ••• | |
| ••• | 3.335" | — | 3219 fps | ••• | |
| ••• | 3.335" | — | 3002 fps | ••• | |
| ••• | 3.335" | — | 3149 fps | ••• | |
| ••• | 3.335" | — | 3101 fps | ••• | |
| ••• | 3.335" | — | 3247 fps | ••• | |
| ••• | 3.335" | — | 2987 fps | ••• | |
| ••• | 3.335" | — | 3140 fps | ••• | |
| ••• | 3.335" | — | 2961 fps | ••• | |
| ••• | 3.335" | — | 3103 fps | ••• | |
| ••• | 3.335" | — | 3083 fps | ••• | |
| ••• | 3.335" | — | 3221 fps | ••• | |
| ••• | 3.335" | — | 2786 fps | ••• | |
| ••• | 3.335" | — | 3097 fps | ••• | |
| ••• | 3.335" | — | 3111 fps | ••• | |
| ••• | 3.335" | — | 3248 fps | ••• | |
| ••• | 3.335" | — | 3110 fps | ••• | |
| ••• | 3.335" | — | 3002 fps | ••• | |
| ••• | 3.335" | — | 3149 fps | ••• | |
| ••• | 3.335" | — | 3007 fps | ••• | |
| ••• | 3.335" | — | 3281 fps | ••• | |
| ••• | 3.335" | — | 3039 fps | ••• | |
| ••• | 3.335" | — | 3198 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.