Load data for 7 x 57 + 140gr Nosler Partition
The most recommended powders for this combination are Hodgdon H414 and Somchem S365.
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 | Partition
Cartridge:7 x 57 load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.339" | 8.6 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 Nosler Partition
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) |
|---|---|---|---|---|---|
| 42.0 gr | 3.065" | 22.0" | 2576 fps | ••• | |
| 51.5 gr | 3.065" | 22.0" | 2694 fps | ••• | |
| 45.0 gr | 3.065" | 22.0" | 2480 fps | ••• | |
| ••• | 3.065" | 22.0" | 2589 fps | ••• | |
| ••• | 3.065" | 22.0" | 2696 fps | ••• | |
| ••• | 3.065" | 22.0" | 2486 fps | ••• | |
| ••• | 3.065" | 22.0" | 2590 fps | ••• | |
| ••• | 3.065" | 22.0" | 2461 fps | ••• | |
| ••• | 3.065" | 22.0" | 2563 fps | ••• | |
| ••• | 3.065" | 22.0" | 2667 fps | ••• | |
| ••• | 3.065" | 22.0" | 2573 fps | ••• | |
| ••• | 3.065" | 22.0" | 2678 fps | ••• | |
| ••• | 3.065" | 22.0" | 2783 fps | ••• | |
| ••• | 3.065" | 22.0" | 2425 fps | ••• | |
| ••• | 3.065" | 22.0" | 2531 fps | ••• | |
| ••• | 3.065" | 22.0" | 2636 fps | ••• | |
| ••• | 3.065" | 22.0" | 2487 fps | ••• | |
| ••• | 3.065" | 22.0" | 2592 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.