Load data for .356 Win. + 180gr Speer Hot-Cor
Based on SAAMI, the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.560 in / 65.02 mm, and the max. allowed pressure is 52,000 PSI / 3,585 bar.

Based on SAAMI, the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.560 in / 65.02 mm, and the max. allowed pressure is 52,000 PSI / 3,585 bar.

Load Specifications
ImperialMetric
Bullet:.358 | 180gr | Hot-Cor
Cartridge:.356 Win. load data
Case Length (L3):2.014" | 51.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.323" | 8.2 mm
Case Capacity:55 gow | 3.56 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):52,000 psi | 3,585 bar
Barrel Length:20.0" | 508 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .356 Win. + 180gr Speer Hot-Cor
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) |
|---|---|---|---|---|---|
| 43.0 gr | 2.550" | — | 2431 fps | ••• | |
| 40.0 gr | 2.550" | — | 2495 fps | ••• | |
| 47.0 gr | 2.550" | — | 2361 fps | ••• | |
| ••• | 2.550" | — | 2366 fps | ••• | |
| ••• | 2.550" | — | 2584 fps | ••• | |
| ••• | 2.550" | — | 2320 fps | ••• | |
| ••• | 2.550" | — | 2389 fps | ••• | |
| ••• | 2.550" | — | 2196 fps | ••• | |
| ••• | 2.550" | — | 2317 fps | ••• | |
| ••• | 2.550" | — | 2395 fps | ••• | |
| ••• | 2.550" | — | 2348 fps | ••• | |
| ••• | 2.550" | — | 2154 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.