Load data for 7 x 57 + 140gr Sierra SBT GameKing
Based on C.I.P., the max. allowed case length is 2.244 in / 57.00 mm, the max. cartridge length is 3.071 in / 78.00 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.
Based on C.I.P., the max. allowed case length is 2.244 in / 57.00 mm, the max. cartridge length is 3.071 in / 78.00 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 140gr | SBT GameKing
Cartridge:7 x 57 load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.353" | 9.0 mm
Case Capacity:61 gow | 3.95 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):56,565 psi | 3,900 bar
Barrel Length:23.6" | 600 mm
Min. Twist Rate:1:12.0
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Community Loads for 7 x 57 + 140gr Sierra SBT 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) |
|---|---|---|---|---|---|
| 43.0 gr | 3.071" | 26.0" | 2483 fps | ••• | |
| 44.5 gr | 3.071" | 26.0" | 2567 fps | ••• | |
| 45.9 gr | 3.071" | 26.0" | 2643 fps | ••• | |
| ••• | 3.071" | 26.0" | 2682 fps | ••• | |
| ••• | 3.071" | 26.0" | 2719 fps | ••• | |
| ••• | 3.071" | 26.0" | 2314 fps | ••• | |
| ••• | 3.071" | 26.0" | 2404 fps | ••• | |
| ••• | 3.071" | 26.0" | 2494 fps | ••• | |
| ••• | 3.071" | 26.0" | 2584 fps | ••• | |
| ••• | 3.071" | 26.0" | 2628 fps | ••• | |
| ••• | 3.071" | 26.0" | 2675 fps | ••• | |
| ••• | 3.071" | 26.0" | 2627 fps | ••• | |
| ••• | 3.071" | 26.0" | 2506 fps | ••• | |
| ••• | 3.071" | 26.0" | 2601 fps | ••• | |
| ••• | 3.071" | 26.0" | 2691 fps | ••• | |
| ••• | 3.071" | 26.0" | 2734 fps | ••• | |
| ••• | 3.071" | 26.0" | 2782 fps | ••• | |
| ••• | 3.071" | 26.0" | 2259 fps | ••• | |
| ••• | 3.071" | 26.0" | 2343 fps | ••• | |
| ••• | 3.071" | 26.0" | 2427 fps | ••• | |
| ••• | 3.071" | 26.0" | 2513 fps | ••• | |
| ••• | 3.071" | 26.0" | 2716 fps | ••• | |
| ••• | 3.071" | 26.0" | 2629 fps | ••• | |
| ••• | 3.071" | 26.0" | 2671 fps | ••• | |
| ••• | 3.071" | 26.0" | 2712 fps | ••• | |
| ••• | 3.071" | 26.0" | 2375 fps | ••• | |
| ••• | 3.071" | 26.0" | 2452 fps | ••• | |
| ••• | 3.071" | 26.0" | 2529 fps | ••• | |
| ••• | 3.071" | 26.0" | 2607 fps | ••• | |
| ••• | 3.071" | 26.0" | 2643 fps | ••• | |
| ••• | 3.071" | 26.0" | 2685 fps | ••• | |
| ••• | 3.071" | 26.0" | 2472 fps | ••• | |
| ••• | 3.071" | 26.0" | 2556 fps | ••• | |
| ••• | 3.071" | 26.0" | 2639 fps | ••• | |
| ••• | 3.071" | 26.0" | 2723 fps | ••• | |
| ••• | 3.071" | 26.0" | 2764 fps | ••• | |
| ••• | 3.071" | 26.0" | 2805 fps | ••• | |
| ••• | 3.051" | 23.6" | 2592 fps | ••• | |
| ••• | 3.051" | 23.6" | 2828 fps | ••• | |
| ••• | 3.051" | 23.6" | 2611 fps | ••• | |
| ••• | 3.051" | 23.6" | 2863 fps | ••• | |
| ••• | 3.051" | 23.6" | 2456 fps | ••• | |
| ••• | 3.051" | 23.6" | 2772 fps | ••• | |
| ••• | 3.051" | 23.6" | 2580 fps | ••• | |
| ••• | 3.051" | 23.6" | 2855 fps | ••• | |
| ••• | 3.071" | 26.0" | 2622 fps | ••• | |
| ••• | 3.071" | 26.0" | 2665 fps | ••• | |
| ••• | 3.071" | 26.0" | 2712 fps | ••• | |
| ••• | 3.071" | 26.0" | 2654 fps | ••• | |
| ••• | 3.071" | 26.0" | 2696 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.