Load data for 10 mm Auto (CIP) + 165gr Sierra Sports Master
Based on C.I.P., 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 33,359 PSI / 2,300 bar.

Based on C.I.P., 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 33,359 PSI / 2,300 bar.

Load Specifications
ImperialMetric
Bullet:.400 | 165gr | Sports Master
Cartridge:10 mm Auto (CIP) load data
Case Length (L3):0.990" | 25.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.331" | 8.4 mm
Case Capacity:25.4 gow | 1.65 cm³
Primer Size:Large Pistol (LP)
Max. Pressure (C.I.P.):33,359 psi | 2,300 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 (CIP) + 165gr Sierra Sports Master
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) |
|---|---|---|---|---|---|
| 10.8 gr | 1.250" | 5.0" | 1120 fps | ••• | |
| 12.0 gr | 1.250" | 5.0" | 1245 fps | ••• | |
| 9.3 gr | 1.260" | 5.0" | 1273 fps | ••• | |
| ••• | 1.260" | 5.0" | 1082 fps | ••• | |
| ••• | 1.250" | 5.0" | 1015 fps | ••• | |
| ••• | 1.250" | 5.0" | 1017 fps | ••• | |
| ••• | 1.260" | 5.0" | 1119 fps | ••• | |
| ••• | 1.260" | 5.0" | 1112 fps | ••• | |
| ••• | 1.250" | 5.0" | 1065 fps | ••• | |
| ••• | 1.260" | 5.0" | 1102 fps | ••• | |
| ••• | 1.260" | — | 1255 fps | ••• | |
| ••• | 1.260" | 5.0" | 1073 fps | ••• | |
| ••• | 1.260" | 5.0" | 1025 fps | ••• | |
| ••• | 1.260" | 5.0" | 1094 fps | ••• | |
| ••• | 1.260" | 5.0" | 1075 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.