Load data for .375 H&H Mag. + 300gr Sierra GameKing
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 | 300gr | GameKing
Cartridge:.375 H&H Mag. load data
Case Length (L3):2.859" | 72.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.650" | 16.5 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:1:6.0
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Community Loads for .375 H&H Mag. + 300gr Sierra GameKing
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) |
|---|---|---|---|---|---|
| 71.3 gr | 3.600" | 24.0" | 2483 fps | ••• | |
| 76.7 gr | 3.600" | 25.0" | 2396 fps | ••• | |
| 65.5 gr | 3.600" | 25.0" | 2477 fps | ••• | |
| ••• | 3.600" | 25.0" | 2466 fps | ••• | |
| ••• | 3.600" | 25.0" | 2614 fps | ••• | |
| ••• | 3.600" | 25.0" | 2437 fps | ••• | |
| ••• | 3.600" | 25.0" | 2455 fps | ••• | |
| ••• | 3.600" | 25.0" | 2509 fps | ••• | |
| ••• | 3.600" | 25.0" | 2560 fps | ••• | |
| ••• | 3.600" | 25.0" | 2573 fps | ••• | |
| ••• | 3.600" | 25.0" | 2339 fps | ••• | |
| ••• | 3.600" | 25.0" | 2361 fps | ••• | |
| ••• | 3.600" | 25.0" | 2411 fps | ••• | |
| ••• | 3.600" | 25.0" | 2443 fps | ••• | |
| ••• | 3.600" | 25.0" | 2446 fps | ••• | |
| ••• | 3.600" | 25.0" | 2483 fps | ••• | |
| ••• | 3.600" | 25.0" | 2357 fps | ••• | |
| ••• | 3.600" | 25.0" | 2409 fps | ••• | |
| ••• | 3.600" | 25.0" | 2437 fps | ••• | |
| ••• | 3.600" | 25.0" | 2479 fps | ••• | |
| ••• | 3.600" | 25.0" | 2482 fps | ••• | |
| ••• | 3.600" | 25.0" | 2518 fps | ••• | |
| ••• | 3.600" | 25.0" | 2557 fps | ••• | |
| ••• | 3.600" | 25.0" | 2371 fps | ••• | |
| ••• | 3.600" | 25.0" | 2439 fps | ••• | |
| ••• | 3.600" | 25.0" | 2495 fps | ••• | |
| ••• | 3.600" | 25.0" | 2551 fps | ••• | |
| ••• | 3.600" | 25.0" | 2528 fps | ••• | |
| ••• | 3.600" | 25.0" | 2586 fps | ••• | |
| ••• | 3.600" | 25.0" | 2306 fps | ••• | |
| ••• | 3.600" | 25.0" | 2364 fps | ••• | |
| ••• | 3.600" | 25.0" | 2388 fps | ••• | |
| ••• | 3.600" | 25.0" | 2429 fps | ••• | |
| ••• | 3.600" | 25.0" | 2469 fps | ••• | |
| ••• | 3.600" | 25.0" | 2382 fps | ••• | |
| ••• | 3.600" | 25.0" | 2444 fps | ••• | |
| ••• | 3.600" | 25.0" | 2506 fps | ••• | |
| ••• | 3.600" | 25.0" | 2572 fps | ••• | |
| ••• | 3.600" | 24.0" | 2398 fps | ••• | |
| ••• | 3.583" | 25.6" | 2398 fps | ••• | |
| ••• | 3.583" | 25.6" | 2210 fps | ••• | |
| ••• | 3.583" | 25.6" | 2386 fps | ••• | |
| ••• | 3.583" | 25.6" | 2377 fps | ••• | |
| ••• | 3.583" | 25.6" | 2574 fps | ••• | |
| ••• | 3.583" | 25.6" | 2488 fps | ••• | |
| ••• | 3.600" | 25.0" | 2337 fps | ••• | |
| ••• | 3.600" | 25.0" | 2412 fps | ••• | |
| ••• | 3.600" | 25.0" | 2448 fps | ••• | |
| ••• | 3.600" | 25.0" | 2482 fps | ••• | |
| ••• | 3.600" | 25.0" | 2515 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.