Load data for 7 x 57 + 150gr Sierra 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 | 150gr | GameKing
Cartridge:7 x 57 load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.393" | 10.0 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
Get PRO license to unlock all data and calculators
Community Loads for 7 x 57 + 150gr 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) |
|---|---|---|---|---|---|
| 42.1 gr | 3.071" | 26.0" | 2427 fps | ••• | |
| 43.7 gr | 3.071" | 26.0" | 2512 fps | ••• | |
| 45.4 gr | 3.071" | 26.0" | 2603 fps | ••• | |
| ••• | 3.071" | 26.0" | 2687 fps | ••• | |
| ••• | 3.071" | 26.0" | 2298 fps | ••• | |
| ••• | 3.071" | 26.0" | 2377 fps | ••• | |
| ••• | 3.071" | 26.0" | 2455 fps | ••• | |
| ••• | 3.071" | 26.0" | 2533 fps | ••• | |
| ••• | 3.071" | 26.0" | 2612 fps | ••• | |
| ••• | 3.071" | 26.0" | 2651 fps | ••• | |
| ••• | 3.071" | 26.0" | 2496 fps | ••• | |
| ••• | 3.071" | 26.0" | 2585 fps | ••• | |
| ••• | 3.071" | 26.0" | 2672 fps | ••• | |
| ••• | 3.071" | 26.0" | 2760 fps | ••• | |
| ••• | 3.071" | 26.0" | 2614 fps | ••• | |
| ••• | 3.071" | 26.0" | 2609 fps | ••• | |
| ••• | 3.071" | 26.0" | 2341 fps | ••• | |
| ••• | 3.071" | 26.0" | 2423 fps | ••• | |
| ••• | 3.071" | 26.0" | 2498 fps | ••• | |
| ••• | 3.071" | 26.0" | 2579 fps | ••• | |
| ••• | 3.071" | 26.0" | 2655 fps | ••• | |
| ••• | 3.071" | 26.0" | 2433 fps | ••• | |
| ••• | 3.071" | 26.0" | 2494 fps | ••• | |
| ••• | 3.071" | 26.0" | 2561 fps | ••• | |
| ••• | 3.071" | 26.0" | 2622 fps | ••• | |
| ••• | 3.071" | 26.0" | 2683 fps | ••• | |
| ••• | 3.051" | 23.6" | 2483 fps | ••• | |
| ••• | 3.051" | 23.6" | 2744 fps | ••• | |
| ••• | 3.051" | 23.6" | 2554 fps | ••• | |
| ••• | 3.051" | 23.6" | 2773 fps | ••• | |
| ••• | 3.051" | 23.6" | 2452 fps | ••• | |
| ••• | 3.051" | 23.6" | 2727 fps | ••• | |
| ••• | 3.051" | 23.6" | 2495 fps | ••• | |
| ••• | 3.051" | 23.6" | 2768 fps | ••• | |
| ••• | 3.071" | 26.0" | 2473 fps | ••• | |
| ••• | 3.071" | 26.0" | 2563 fps | ••• | |
| ••• | 3.071" | 26.0" | 2655 fps | ••• | |
| ••• | 3.071" | 26.0" | 2540 fps | ••• | |
| ••• | 3.071" | 26.0" | 2610 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.