Load data for 8 x 57 IS + 170gr Hornady InterLock RN
Based on C.I.P., the max. allowed case length is 2.244 in / 57.00 mm, the max. cartridge length is 3.228 in / 82.00 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 3.228 in / 82.00 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.

Load Specifications
ImperialMetric
Bullet:.323 | 170gr | InterLock RN
Cartridge:8 x 57 IS load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.508" | 12.9 mm
Case Capacity:63 gow | 4.08 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:1:16.5
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Community Loads for 8 x 57 IS + 170gr Hornady InterLock RN
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) |
|---|---|---|---|---|---|
| 44.1 gr | 2.855" | 24.0" | 2558 fps | ••• | |
| 49.0 gr | 2.855" | 24.0" | 2703 fps | ••• | |
| 45.0 gr | 2.855" | 24.0" | 2537 fps | ••• | |
| ••• | 2.855" | 24.0" | 2690 fps | ••• | |
| ••• | 2.825" | 24.0" | 2657 fps | ••• | |
| ••• | 2.825" | 24.0" | 2696 fps | ••• | |
| ••• | 2.825" | 24.0" | 2735 fps | ••• | |
| ••• | 2.825" | 24.0" | 2408 fps | ••• | |
| ••• | 2.825" | 24.0" | 2768 fps | ••• | |
| ••• | 2.825" | 24.0" | 2649 fps | ••• | |
| ••• | 2.825" | 24.0" | 2382 fps | ••• | |
| ••• | 2.825" | 24.0" | 2655 fps | ••• | |
| ••• | 2.825" | 24.0" | 2630 fps | ••• | |
| ••• | 2.825" | 24.0" | 2729 fps | ••• | |
| ••• | 2.825" | 24.0" | 2595 fps | ••• | |
| ••• | 2.825" | 24.0" | 2644 fps | ••• | |
| ••• | 2.835" | — | 2559 fps | ••• | |
| ••• | 2.835" | — | 2660 fps | ••• | |
| ••• | 2.835" | — | 2664 fps | ••• | |
| ••• | 2.825" | 24.0" | 2528 fps | ••• | |
| ••• | 2.825" | 24.0" | 2756 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.