Load data for .30-378 Weath. Mag. + 180gr Nosler Expansion Tip
The most recommended powders for this combination are Hodgdon 50BMG.
Based on C.I.P., the max. allowed case length is 2.913 in / 73.99 mm, the max. cartridge length is 3.750 in / 95.25 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 2.913 in / 73.99 mm, the max. cartridge length is 3.750 in / 95.25 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 180gr | Expansion Tip
Cartridge:.30-378 Weath. Mag. load data
Case Length (L3):2.913" | 74.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.714" | 18.1 mm
Case Capacity:133 gow | 8.62 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:10.5
Get PRO license to unlock all data and calculators
Community Loads for .30-378 Weath. Mag. + 180gr Nosler Expansion Tip
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) |
|---|---|---|---|---|---|
| 89.5 gr | 3.600" | 26.0" | 2941 fps | ••• | |
| 105.3 gr | 3.740" | 26.0" | 2946 fps | ••• | |
| 110.0 gr | 3.600" | 26.0" | 3148 fps | ••• | |
| ••• | 3.600" | 26.0" | 3206 fps | ••• | |
| ••• | 3.600" | 26.0" | 3277 fps | ••• | |
| ••• | 3.740" | 26.0" | 2901 fps | ••• | |
| ••• | 3.600" | 26.0" | 2947 fps | ••• | |
| ••• | 3.600" | 26.0" | 2999 fps | ••• | |
| ••• | 3.600" | 26.0" | 3059 fps | ••• | |
| ••• | 3.740" | 26.0" | 3134 fps | ••• | |
| ••• | 3.740" | 26.0" | 2967 fps | ••• | |
| ••• | 3.740" | 26.0" | 3126 fps | ••• | |
| ••• | 3.740" | 26.0" | 3054 fps | ••• | |
| ••• | 3.740" | 26.0" | 3330 fps | ••• | |
| ••• | 3.740" | 26.0" | 3041 fps | ••• | |
| ••• | 3.740" | 26.0" | 2979 fps | ••• | |
| ••• | 3.740" | 26.0" | 3154 fps | ••• | |
| ••• | 3.740" | 26.0" | 2992 fps | ••• | |
| ••• | 3.740" | 26.0" | 3145 fps | ••• | |
| ••• | 3.740" | 26.0" | 2988 fps | ••• | |
| ••• | 3.740" | 26.0" | 3213 fps | ••• | |
| ••• | 3.740" | 26.0" | 3191 fps | ••• | |
| ••• | 3.600" | 26.0" | 3048 fps | ••• | |
| ••• | 3.600" | 26.0" | 3102 fps | ••• | |
| ••• | 3.600" | 26.0" | 3163 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.