Load data for 8 x 57 IS + 180gr Lapua Naturalis
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 | 180gr | Naturalis
Cartridge:8 x 57 IS load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.334" | 8.5 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:1:14.0
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Community Loads for 8 x 57 IS + 180gr Lapua Naturalis
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 | 3.150" | 23.6" | 2379 fps | ••• | |
| 51.1 gr | 3.150" | 23.6" | 2749 fps | ••• | |
| 48.0 gr | 3.110" | 20.4" | 2526 fps | ••• | |
| ••• | 81.000" | 50.8" | 2516 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.