Load data for .300 H&H Mag. + 175gr Barnes LRX BT
The most recommended powders for this combination are IMR 4831.
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 | 175gr | LRX BT
Cartridge:.300 H&H Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.742" | 18.8 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:1:10.5
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Community Loads for .300 H&H Mag. + 175gr Barnes LRX BT
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) |
|---|---|---|---|---|---|
| 57.2 gr | 3.580" | 24.0" | 2596 fps | ••• | |
| 64.1 gr | 3.580" | 24.0" | 2886 fps | ••• | |
| 65.1 gr | 3.580" | 24.0" | 2570 fps | ••• | |
| ••• | 3.580" | 24.0" | 2933 fps | ••• | |
| ••• | 3.580" | 24.0" | 2512 fps | ••• | |
| ••• | 3.580" | 24.0" | 2609 fps | ••• | |
| ••• | 3.580" | 24.0" | 2895 fps | ••• | |
| ••• | 3.580" | 24.0" | 2547 fps | ••• | |
| ••• | 3.580" | 24.0" | 2858 fps | ••• | |
| ••• | 3.580" | 24.0" | 2524 fps | ••• | |
| ••• | 3.580" | 24.0" | 2830 fps | ••• | |
| ••• | 3.580" | 24.0" | 2558 fps | ••• | |
| ••• | 3.580" | 24.0" | 2831 fps | ••• | |
| ••• | 3.580" | 24.0" | 2662 fps | ••• | |
| ••• | 3.580" | 24.0" | 2923 fps | ••• | |
| ••• | 3.600" | 26.0" | 3009 fps | ••• | |
| ••• | 3.580" | 24.0" | 2530 fps | ••• | |
| ••• | 3.580" | 24.0" | 2883 fps | ••• | |
| ••• | 3.580" | 24.0" | 2628 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.