Load data for 10 mm Auto (SAAMI) + 155gr Hornady XTP
Based on SAAMI, the max. allowed case length is 0.992 in / 25.20 mm, the max. cartridge length is 1.260 in / 32.00 mm, and the max. allowed pressure is 37,500 PSI / 2,586 bar.

Based on SAAMI, the max. allowed case length is 0.992 in / 25.20 mm, the max. cartridge length is 1.260 in / 32.00 mm, and the max. allowed pressure is 37,500 PSI / 2,586 bar.

Load Specifications
ImperialMetric
Bullet:.400 | 155gr | XTP
Cartridge:10 mm Auto (SAAMI) load data
Case Length (L3):0.990" | 25.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.327" | 8.3 mm
Case Capacity:25.4 gow | 1.65 cm³
Primer Size:Large Pistol (LP)
Max. Pressure (SAAMI):37,500 psi | 2,586 bar
Barrel Length:5.0" | 127 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for 10 mm Auto (SAAMI) + 155gr Hornady XTP
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) |
|---|---|---|---|---|---|
| 10.0 gr | 1.260" | 4.5" | 1348 fps | ••• | |
| 10.3 gr | 1.260" | 4.5" | 1385 fps | ••• | |
| 10.4 gr | 1.260" | 4.5" | 1398 fps | ••• | |
| ••• | 1.260" | 6.0" | 1417 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.