Load data for .300 WSM + 220gr Nosler Partition
The most recommended powders for this combination are IMR 4831.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 220gr | Partition
Cartridge:.300 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.645" | 16.4 mm
Case Capacity:81.3 gow | 5.27 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:1:13.0
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Community Loads for .300 WSM + 220gr Nosler Partition
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) |
|---|---|---|---|---|---|
| 59.5 gr | 2.815" | 26.0" | 2575 fps | ••• | |
| 61.5 gr | 2.815" | 26.0" | 2651 fps | ••• | |
| 63.5 gr | 2.815" | 26.0" | 2727 fps | ••• | |
| ••• | 2.815" | 26.0" | 2544 fps | ••• | |
| ••• | 2.815" | 26.0" | 2622 fps | ••• | |
| ••• | 2.815" | 26.0" | 2699 fps | ••• | |
| ••• | 2.815" | 26.0" | 2564 fps | ••• | |
| ••• | 2.815" | 26.0" | 2638 fps | ••• | |
| ••• | 2.815" | 26.0" | 2712 fps | ••• | |
| ••• | 2.815" | 26.0" | 2546 fps | ••• | |
| ••• | 2.815" | 26.0" | 2625 fps | ••• | |
| ••• | 2.815" | 26.0" | 2703 fps | ••• | |
| ••• | 2.815" | 26.0" | 2504 fps | ••• | |
| ••• | 2.815" | 26.0" | 2577 fps | ••• | |
| ••• | 2.815" | 26.0" | 2648 fps | ••• | |
| ••• | 2.815" | 26.0" | 2583 fps | ••• | |
| ••• | 2.815" | 26.0" | 2652 fps | ••• | |
| ••• | 2.815" | 24.0" | 2523 fps | ••• | |
| ••• | 2.815" | 26.0" | 2387 fps | ••• | |
| ••• | 2.815" | 26.0" | 2531 fps | ••• | |
| ••• | 2.815" | 26.0" | 2545 fps | ••• | |
| ••• | 2.815" | 26.0" | 2620 fps | ••• | |
| ••• | 2.815" | 26.0" | 2693 fps | ••• | |
| ••• | 2.815" | 26.0" | 2575 fps | ••• | |
| ••• | 2.815" | 26.0" | 2656 fps | ••• | |
| ••• | 2.815" | 26.0" | 2739 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.