Load data for .338 Win Mag. + 250gr Hornady SP
The most recommended powders for this combination are Somchem S365.
Based on C.I.P., the max. allowed case length is 2.500 in / 63.50 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.500 in / 63.50 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 250gr | SP
Cartridge:.338 Win Mag. load data
Case Length (L3):2.500" | 63.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.522" | 13.3 mm
Case Capacity:86 gow | 5.57 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):62,366 psi | 4,300 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:15.0
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Community Loads for .338 Win Mag. + 250gr Hornady SP
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) |
|---|---|---|---|---|---|
| 68.6 gr | 3.340" | 24.0" | 2501 fps | ••• | |
| 73.0 gr | 3.340" | 24.0" | 2669 fps | ••• | |
| 72.0 gr | 3.340" | 24.0" | 2423 fps | ••• | |
| ••• | 3.340" | 24.0" | 2581 fps | ••• | |
| ••• | 3.340" | 24.0" | 2338 fps | ••• | |
| ••• | 3.340" | 24.0" | 2552 fps | ••• | |
| ••• | 3.340" | 24.0" | 2458 fps | ••• | |
| ••• | 3.340" | 24.0" | 2308 fps | ••• | |
| ••• | 3.340" | 24.0" | 2584 fps | ••• | |
| ••• | 3.340" | 24.0" | 2461 fps | ••• | |
| ••• | 3.340" | 24.0" | 2621 fps | ••• | |
| ••• | 3.340" | 24.0" | 2360 fps | ••• | |
| ••• | 3.340" | 24.0" | 2511 fps | ••• | |
| ••• | 3.340" | 24.0" | 2514 fps | ••• | |
| ••• | 3.340" | 24.0" | 2507 fps | ••• | |
| ••• | 3.340" | 24.0" | 2590 fps | ••• | |
| ••• | 3.340" | 24.0" | 2417 fps | ••• | |
| ••• | 3.340" | 24.0" | 2551 fps | ••• | |
| ••• | 3.340" | 24.0" | 2396 fps | ••• | |
| ••• | 3.340" | 24.0" | 2567 fps | ••• | |
| ••• | 3.340" | 24.0" | 2334 fps | ••• | |
| ••• | 3.307" | — | 2443 fps | ••• | |
| ••• | 3.307" | — | 2571 fps | ••• | |
| ••• | 3.307" | — | 2504 fps | ••• | |
| ••• | 3.307" | — | 2654 fps | ••• | |
| ••• | 3.340" | 20.0" | 2559 fps | ••• | |
| ••• | 3.340" | 24.0" | 2338 fps | ••• | |
| ••• | 3.340" | 24.0" | 2552 fps | ••• | |
| ••• | 3.340" | 24.0" | 2420 fps | ••• | |
| ••• | 3.340" | 24.0" | 2579 fps | ••• | |
| ••• | 3.340" | 24.0" | 2527 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.