Load data for .300 H&H Mag. + 150gr Hornady CX
The most recommended powders for this combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
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:.308 | 150gr | CX
Cartridge:.300 H&H Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.520" | 13.2 mm
Case Capacity:85.9 gow | 5.57 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
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Community Loads for .300 H&H Mag. + 150gr Hornady CX
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) |
|---|---|---|---|---|---|
| 62.5 gr | 3.580" | 24.0" | 2897 fps | ••• | |
| 62.8 gr | 3.580" | 24.0" | 2849 fps | ••• | |
| 69.2 gr | 3.580" | 24.0" | 3135 fps | ••• | |
| ••• | 3.580" | 24.0" | 2952 fps | ••• | |
| ••• | 3.580" | 24.0" | 2655 fps | ••• | |
| ••• | 3.580" | 24.0" | 2972 fps | ••• | |
| ••• | 3.580" | 24.0" | 2674 fps | ••• | |
| ••• | 3.580" | 24.0" | 2889 fps | ••• | |
| ••• | 3.580" | 24.0" | 2555 fps | ••• | |
| ••• | 3.580" | 24.0" | 2919 fps | ••• | |
| ••• | 3.580" | 24.0" | 2706 fps | ••• | |
| ••• | 3.580" | 24.0" | 3010 fps | ••• | |
| ••• | 3.580" | 24.0" | 2666 fps | ••• | |
| ••• | 3.580" | 24.0" | 2926 fps | ••• | |
| ••• | 3.580" | 24.0" | 2718 fps | ••• | |
| ••• | 3.580" | 24.0" | 3113 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.