Load data for .338 Lapua Mag. + 250gr Sierra GameKing
428 suitable loads across 72 powder(s) for cartridge .338 Lapua Mag. with 250gr Sierra GameKing bullet.
The most recommended powders for this combination are Hodgdon Retumbo, Winchester StaBALL HD and ReloadSwiss RS 76.
Based on C.I.P., the max. allowed case length is 2.724 in / 69.20 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.
Based on C.I.P., the max. allowed case length is 2.724 in / 69.20 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.
Load Specifications
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Community Loads for .338 Lapua Mag. + 250gr 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) |
|---|---|---|---|---|---|
| 78.4 gr | 3.681" | 24.0" | 2503 fps | ••• | |
| 82.0 gr | 3.681" | 24.0" | 2604 fps | ••• | |
| 85.6 gr | 3.681" | 24.0" | 2702 fps | ••• | |
| ••• | 3.681" | 24.0" | 2747 fps | ••• | |
| ••• | 3.681" | 24.0" | 2480 fps | ••• | |
| ••• | 3.681" | 24.0" | 2588 fps | ••• | |
| ••• | 3.681" | 24.0" | 2687 fps | ••• | |
| ••• | 3.681" | 24.0" | 2734 fps | ••• | |
| ••• | 3.681" | 24.0" | 2500 fps | ••• | |
| ••• | 3.681" | 24.0" | 2640 fps | ••• | |
| ••• | 3.681" | 24.0" | 2754 fps | ••• | |
| ••• | 3.681" | 24.0" | 2808 fps | ••• | |
| ••• | 3.681" | 24.0" | 2579 fps | ••• | |
| ••• | 3.681" | 24.0" | 2671 fps | ••• | |
| ••• | 3.575" | 25.6" | 2765 fps | ••• | |
| ••• | 3.575" | 25.6" | 2650 fps | ••• | |
| ••• | 3.575" | 25.6" | 2308 fps | ••• | |
| ••• | 3.575" | 25.6" | 2753 fps | ••• | |
| ••• | 3.681" | 24.0" | 2469 fps | ••• | |
| ••• | 3.681" | 24.0" | 2568 fps | ••• | |
| ••• | 3.681" | 24.0" | 2666 fps | ••• | |
| ••• | 3.681" | 24.0" | 2717 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.