Load data for .375 H&H Mag. + 200gr Sierra Pro-Hunter
The most recommended powders for this combination are Hodgdon Clays.
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Load Specifications
ImperialMetric
Bullet:.375 | 200gr | Pro-Hunter
Cartridge:.375 H&H Mag. load data
Case Length (L3):2.859" | 72.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.327" | 8.3 mm
Case Capacity:95.3 gow | 6.18 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .375 H&H Mag. + 200gr Sierra 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) |
|---|---|---|---|---|---|
| 30.3 gr | 3.357" | 24.0" | 2116 fps | ••• | |
| 71.0 gr | 3.362" | 25.6" | 2988 fps | ••• | |
| 75.0 gr | 3.362" | 25.6" | 3122 fps | ••• | |
| ••• | 3.362" | 25.6" | 2855 fps | ••• | |
| ••• | 3.362" | 25.6" | 3018 fps | ••• | |
| ••• | 3.362" | 25.6" | 3013 fps | ••• | |
| ••• | 3.362" | 25.6" | 3132 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.