Load data for 7 x 57 + 156gr Norma ORYX
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 | 156gr | ORYX
Cartridge:7 x 57 load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.461" | 11.7 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:1:13.5
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Community Loads for 7 x 57 + 156gr Norma ORYX
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) |
|---|---|---|---|---|---|
| 44.0 gr | 2.913" | — | 2385 fps | ••• | |
| 46.2 gr | 2.913" | — | 2501 fps | ••• | |
| 47.0 gr | 2.913" | — | 2390 fps | ••• | |
| ••• | 2.913" | — | 2522 fps | ••• | |
| ••• | 2.913" | — | 2576 fps | ••• | |
| ••• | 2.913" | — | 2696 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.