Load data for .338 Rem. Ultra Mag. + 250gr Sierra MatchKing
466 suitable loads across 75 powder(s) for cartridge .338 Rem. Ultra Mag. with 250gr Sierra MatchKing bullet.
The most recommended powders for this combination are Vihtavuori N560, Norma MRP and Accurate MAGPRO.
Based on C.I.P., the max. allowed case length is 2.760 in / 70.11 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.760 in / 70.11 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
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Community Loads for .338 Rem. Ultra Mag. + 250gr Sierra MatchKing
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) |
|---|---|---|---|---|---|
| 75.5 gr | 3.600" | 24.0" | 2453 fps | ••• | |
| 79.4 gr | 3.600" | 24.0" | 2556 fps | ••• | |
| 81.2 gr | 3.600" | 24.0" | 2604 fps | ••• | |
| ••• | 3.600" | 24.0" | 2647 fps | ••• | |
| ••• | 3.600" | 24.0" | 2642 fps | ••• | |
| ••• | 3.600" | 24.0" | 2693 fps | ••• | |
| ••• | 3.600" | 24.0" | 2735 fps | ••• | |
| ••• | 3.600" | 24.0" | 2779 fps | ••• | |
| ••• | 3.600" | 24.0" | 2532 fps | ••• | |
| ••• | 3.600" | 24.0" | 2587 fps | ••• | |
| ••• | 3.600" | 24.0" | 2636 fps | ••• | |
| ••• | 3.600" | 24.0" | 2679 fps | ••• | |
| ••• | 3.600" | 24.0" | 2664 fps | ••• | |
| ••• | 3.600" | 24.0" | 2720 fps | ••• | |
| ••• | 3.600" | 24.0" | 2771 fps | ••• | |
| ••• | 3.600" | 24.0" | 2810 fps | ••• | |
| ••• | 3.600" | 24.0" | 2474 fps | ••• | |
| ••• | 3.600" | 24.0" | 2592 fps | ••• | |
| ••• | 3.600" | 24.0" | 2649 fps | ••• | |
| ••• | 3.600" | 24.0" | 2708 fps | ••• | |
| ••• | 3.600" | 24.0" | 2429 fps | ••• | |
| ••• | 3.600" | 24.0" | 2521 fps | ••• | |
| ••• | 3.600" | 24.0" | 2600 fps | ••• | |
| ••• | 3.600" | 24.0" | 2635 fps | ••• | |
| ••• | 3.600" | 24.0" | 2476 fps | ••• | |
| ••• | 3.600" | 24.0" | 2581 fps | ••• | |
| ••• | 3.600" | 24.0" | 2627 fps | ••• | |
| ••• | 3.600" | 24.0" | 2668 fps | ••• | |
| ••• | 3.600" | 24.0" | 2491 fps | ••• | |
| ••• | 3.600" | 24.0" | 2584 fps | ••• | |
| ••• | 3.600" | 24.0" | 2630 fps | ••• | |
| ••• | 3.600" | 24.0" | 2677 fps | ••• | |
| ••• | 3.600" | 24.0" | 2721 fps | ••• | |
| ••• | 3.600" | 24.0" | 2463 fps | ••• | |
| ••• | 3.600" | 24.0" | 2569 fps | ••• | |
| ••• | 3.600" | 24.0" | 2621 fps | ••• | |
| ••• | 3.600" | 24.0" | 2671 fps | ••• | |
| ••• | 3.600" | 24.0" | 2430 fps | ••• | |
| ••• | 3.600" | 24.0" | 2532 fps | ••• | |
| ••• | 3.600" | 24.0" | 2581 fps | ••• | |
| ••• | 3.600" | 24.0" | 2632 fps | ••• | |
| ••• | 3.600" | 24.0" | 2681 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.