Load data for .300 Weath. Mag. + 220gr Nosler Custom Competition
The most recommended powders for this combination are Accurate 4350.
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:0.794" | 20.2 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:1:11.5
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Community Loads for .300 Weath. Mag. + 220gr Nosler Custom Competition
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) |
|---|---|---|---|---|---|
| 64.5 gr | 3.560" | 26.0" | 2645 fps | ••• | |
| 66.5 gr | 3.560" | 26.0" | 2706 fps | ••• | |
| 68.5 gr | 3.560" | 26.0" | 2769 fps | ••• | |
| ••• | 3.560" | 26.0" | 2658 fps | ••• | |
| ••• | 3.560" | 26.0" | 2723 fps | ••• | |
| ••• | 3.560" | 26.0" | 2788 fps | ••• | |
| ••• | 3.560" | 26.0" | 2695 fps | ••• | |
| ••• | 3.560" | 26.0" | 2761 fps | ••• | |
| ••• | 3.560" | 26.0" | 2827 fps | ••• | |
| ••• | 3.560" | 26.0" | 2734 fps | ••• | |
| ••• | 3.560" | 26.0" | 2801 fps | ••• | |
| ••• | 3.560" | 26.0" | 2870 fps | ••• | |
| ••• | 3.560" | 26.0" | 2709 fps | ••• | |
| ••• | 3.560" | 26.0" | 2775 fps | ••• | |
| ••• | 3.560" | 26.0" | 2660 fps | ••• | |
| ••• | 3.560" | 26.0" | 2720 fps | ••• | |
| ••• | 3.560" | 26.0" | 2854 fps | ••• | |
| ••• | 3.560" | 26.0" | 2739 fps | ••• | |
| ••• | 3.560" | 26.0" | 2805 fps | ••• | |
| ••• | 3.560" | 26.0" | 2619 fps | ••• | |
| ••• | 3.560" | 26.0" | 2682 fps | ••• | |
| ••• | 3.560" | 26.0" | 2742 fps | ••• | |
| ••• | 3.560" | 26.0" | 2762 fps | ••• | |
| ••• | 3.560" | 26.0" | 2831 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.