Load data for .300 Weath. Mag. + 125gr Sierra SPT Pro-Hunter
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
Cartridge:.300 Weath. Mag. load data
Case Length (L3):2.824" | 71.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.239" | 6.1 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:Stabilizes in any common twist
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Community Loads for .300 Weath. Mag. + 125gr Sierra SPT Pro-Hunter
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) |
|---|---|---|---|---|---|
| 84.0 gr | 3.475" | 24.0" | 3157 fps | ••• | |
| 90.0 gr | 3.475" | 24.0" | 3410 fps | ••• | |
| 75.5 gr | 3.475" | 24.0" | 3286 fps | ••• | |
| ••• | 3.475" | 24.0" | 3256 fps | ••• | |
| ••• | 3.475" | 24.0" | 3465 fps | ••• | |
| ••• | 3.475" | 24.0" | 3164 fps | ••• | |
| ••• | 3.475" | 24.0" | 3401 fps | ••• | |
| ••• | 3.475" | 24.0" | 3349 fps | ••• | |
| ••• | 3.475" | 24.0" | 3236 fps | ••• | |
| ••• | 3.475" | 24.0" | 3454 fps | ••• | |
| ••• | 3.475" | 24.0" | 3179 fps | ••• | |
| ••• | 3.475" | 24.0" | 3411 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.