Load data for .300 Weath. Mag. + 168gr Nosler Custom Competition
The most recommended powders for this combination are IMR 4831.
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:0.484" | 12.3 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:1:13.5
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Community Loads for .300 Weath. Mag. + 168gr 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) |
|---|---|---|---|---|---|
| 84.0 gr | 3.540" | 26.0" | 3107 fps | ••• | |
| 86.0 gr | 3.540" | 26.0" | 3183 fps | ••• | |
| 88.0 gr | 3.540" | 26.0" | 3258 fps | ••• | |
| ••• | 3.540" | 26.0" | 3000 fps | ••• | |
| ••• | 3.540" | 26.0" | 3071 fps | ••• | |
| ••• | 3.540" | 26.0" | 3138 fps | ••• | |
| ••• | 3.540" | 26.0" | 3070 fps | ••• | |
| ••• | 3.540" | 26.0" | 3150 fps | ••• | |
| ••• | 3.540" | 26.0" | 3225 fps | ••• | |
| ••• | 3.540" | 26.0" | 2967 fps | ••• | |
| ••• | 3.540" | 26.0" | 3040 fps | ••• | |
| ••• | 3.540" | 26.0" | 3111 fps | ••• | |
| ••• | 3.540" | 26.0" | 3031 fps | ••• | |
| ••• | 3.540" | 26.0" | 3095 fps | ••• | |
| ••• | 3.540" | 26.0" | 2941 fps | ••• | |
| ••• | 3.540" | 26.0" | 3008 fps | ••• | |
| ••• | 3.540" | 26.0" | 3075 fps | ••• | |
| ••• | 3.540" | 26.0" | 3051 fps | ••• | |
| ••• | 3.540" | 26.0" | 3117 fps | ••• | |
| ••• | 3.540" | 26.0" | 3029 fps | ••• | |
| ••• | 3.540" | 26.0" | 3104 fps | ••• | |
| ••• | 3.540" | 26.0" | 3179 fps | ••• | |
| ••• | 3.540" | 26.0" | 3042 fps | ••• | |
| ••• | 3.540" | 26.0" | 3112 fps | ••• | |
| ••• | 3.540" | 26.0" | 3190 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.