Load data for .30-40 Krag + 180gr Speer Grand Slam
Based on C.I.P., the max. allowed case length is 2.314 in / 58.78 mm, the max. cartridge length is 3.089 in / 78.46 mm, and the max. allowed pressure is 47,137 PSI / 3,250 bar.
Based on C.I.P., the max. allowed case length is 2.314 in / 58.78 mm, the max. cartridge length is 3.089 in / 78.46 mm, and the max. allowed pressure is 47,137 PSI / 3,250 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 180gr | Grand Slam
Cartridge:.30-40 Krag load data
Case Length (L3):2.314" | 58.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.384" | 9.8 mm
Case Capacity:58 gow | 3.76 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):47,137 psi | 3,250 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:15.0
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Community Loads for .30-40 Krag + 180gr Speer Grand Slam
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) |
|---|---|---|---|---|---|
| 38.0 gr | 3.090" | 24.0" | 2286 fps | ••• | |
| 43.0 gr | 3.090" | 24.0" | 2119 fps | ••• | |
| 40.0 gr | 3.090" | 24.0" | 2215 fps | ••• | |
| ••• | 3.090" | 24.0" | 2231 fps | ••• | |
| ••• | 3.090" | 24.0" | 2302 fps | ••• | |
| ••• | 3.090" | 24.0" | 2297 fps | ••• | |
| ••• | 3.090" | 24.0" | 2372 fps | ••• | |
| ••• | 3.089" | — | 2208 fps | ••• | |
| ••• | 3.090" | 24.0" | 2398 fps | ••• | |
| ••• | 3.090" | 24.0" | 2380 fps | ••• | |
| ••• | 3.090" | 24.0" | 2539 fps | ••• | |
| ••• | 3.090" | 24.0" | 2205 fps | ••• | |
| ••• | 3.090" | 24.0" | 2390 fps | ••• | |
| ••• | 3.090" | 24.0" | 2233 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.