Load data for .338 Win Mag. + 250gr Speer Grand Slam
576 suitable loads across 100 powder(s) for cartridge .338 Win Mag. with 250gr Speer Grand Slam bullet.
The most recommended powders for this combination are ReloadSwiss RS 70, Vihtavuori N540 and Alliant Reloder-16.
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
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Community Loads for .338 Win Mag. + 250gr Speer Grand Slam
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) |
|---|---|---|---|---|---|
| 61.0 gr | 3.300" | — | 2425 fps | ••• | |
| 65.0 gr | 3.300" | — | 2555 fps | ••• | |
| 69.0 gr | 3.300" | — | 2430 fps | ••• | |
| ••• | 3.300" | — | 2567 fps | ••• | |
| ••• | 3.300" | — | 2543 fps | ••• | |
| ••• | 3.300" | — | 2472 fps | ••• | |
| ••• | 3.300" | — | 2701 fps | ••• | |
| ••• | 3.300" | — | 2516 fps | ••• | |
| ••• | 3.300" | — | 2655 fps | ••• | |
| ••• | 3.300" | — | 2469 fps | ••• | |
| ••• | 3.300" | — | 2615 fps | ••• | |
| ••• | 3.300" | — | 2430 fps | ••• | |
| ••• | 3.300" | — | 2642 fps | ••• | |
| ••• | 3.300" | — | 2447 fps | ••• | |
| ••• | 3.300" | — | 2732 fps | ••• | |
| ••• | 3.300" | — | 2425 fps | ••• | |
| ••• | 3.300" | — | 2580 fps | ••• | |
| ••• | 3.300" | — | 2419 fps | ••• | |
| ••• | 3.300" | — | 2558 fps | ••• | |
| ••• | 3.300" | — | 2536 fps | ••• | |
| ••• | 3.300" | — | 2388 fps | ••• | |
| ••• | 3.300" | — | 2532 fps | ••• | |
| ••• | 3.300" | — | 2487 fps | ••• | |
| ••• | 3.300" | — | 2619 fps | ••• | |
| ••• | 3.300" | — | 2498 fps | ••• | |
| ••• | 3.300" | — | 2627 fps | ••• | |
| ••• | 3.300" | — | 2430 fps | ••• | |
| ••• | 3.300" | — | 2568 fps | ••• | |
| ••• | 3.299" | 24.5" | 2589 fps | ••• | |
| ••• | 3.340" | 25.6" | 2480 fps | ••• | |
| ••• | 3.340" | 25.6" | 2510 fps | ••• | |
| ••• | 3.340" | 25.6" | 2539 fps | ••• | |
| ••• | 3.290" | 25.6" | 2582 fps | ••• | |
| ••• | 3.346" | 25.6" | 2566 fps | ••• | |
| ••• | 3.300" | — | 2572 fps | ••• | |
| ••• | 3.300" | — | 2529 fps | ••• | |
| ••• | 3.300" | — | 2681 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.