Load data for 7 x 57 + 160gr Speer Boat-Tail
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 | 160gr | Boat-Tail
Cartridge:7 x 57 load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.464" | 11.8 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 + 160gr Speer Boat-Tail
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 | 3.000" | — | 2108 fps | ••• | |
| 47.0 gr | 3.000" | — | 2360 fps | ••• | |
| 43.0 gr | 3.000" | — | 2420 fps | ••• | |
| ••• | 3.000" | — | 2628 fps | ••• | |
| ••• | 3.000" | — | 2394 fps | ••• | |
| ••• | 3.000" | — | 2590 fps | ••• | |
| ••• | 3.000" | — | 2497 fps | ••• | |
| ••• | 3.000" | — | 2386 fps | ••• | |
| ••• | 3.000" | — | 2594 fps | ••• | |
| ••• | 3.000" | — | 2284 fps | ••• | |
| ••• | 3.000" | — | 2496 fps | ••• | |
| ••• | 3.000" | — | 2354 fps | ••• | |
| ••• | 3.000" | — | 2561 fps | ••• | |
| ••• | 3.000" | — | 2411 fps | ••• | |
| ••• | 3.000" | — | 2616 fps | ••• | |
| ••• | 3.000" | — | 2577 fps | ••• | |
| ••• | 3.000" | — | 2529 fps | ••• | |
| ••• | 3.000" | — | 2367 fps | ••• | |
| ••• | 3.000" | — | 2537 fps | ••• | |
| ••• | 3.000" | — | 2441 fps | ••• | |
| ••• | 3.000" | — | 2640 fps | ••• | |
| ••• | 3.000" | — | 2354 fps | ••• | |
| ••• | 3.000" | — | 2561 fps | ••• | |
| ••• | 3.000" | — | 2437 fps | ••• | |
| ••• | 3.000" | — | 2468 fps | ••• | |
| ••• | 3.000" | — | 2675 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.