Load data for .300 H&H Mag. + 165gr Speer Boat-Tail
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 | 165gr | Boat-Tail
Cartridge:.300 H&H Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.539" | 13.7 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
Min. Twist Rate:1:13.5
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Community Loads for .300 H&H Mag. + 165gr Speer Boat-Tail
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) |
|---|---|---|---|---|---|
| 64.0 gr | 3.500" | — | 2567 fps | ••• | |
| 68.0 gr | 3.500" | — | 2729 fps | ••• | |
| 61.0 gr | 3.500" | — | 2743 fps | ••• | |
| ••• | 3.500" | — | 2898 fps | ••• | |
| ••• | 3.500" | — | 2776 fps | ••• | |
| ••• | 3.500" | — | 3037 fps | ••• | |
| ••• | 3.500" | — | 2735 fps | ••• | |
| ••• | 3.500" | — | 2976 fps | ••• | |
| ••• | 3.500" | — | 2672 fps | ••• | |
| ••• | 3.500" | — | 2829 fps | ••• | |
| ••• | 3.500" | — | 2733 fps | ••• | |
| ••• | 3.500" | — | 3013 fps | ••• | |
| ••• | 3.500" | — | 2657 fps | ••• | |
| ••• | 3.500" | — | 2975 fps | ••• | |
| ••• | 3.500" | — | 2886 fps | ••• | |
| ••• | 3.500" | — | 2760 fps | ••• | |
| ••• | 3.500" | — | 2921 fps | ••• | |
| ••• | 3.500" | — | 2851 fps | ••• | |
| ••• | 3.500" | — | 3006 fps | ••• | |
| ••• | 3.500" | — | 2932 fps | ••• | |
| ••• | 3.500" | — | 2788 fps | ••• | |
| ••• | 3.500" | — | 2808 fps | ••• | |
| ••• | 3.500" | — | 2961 fps | ••• | |
| ••• | 3.500" | — | 2861 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.