Load data for 7 mm PRC + 139gr Hornady SST
Based on SAAMI, the max. allowed case length is 2.280 in / 57.91 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Based on SAAMI, the max. allowed case length is 2.280 in / 57.91 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 139gr | SST
Cartridge:7 mm PRC load data
Case Length (L3):2.280" | 57.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.437" | 11.1 mm
Case Capacity:82 gow | 5.31 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:10.5
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Community Loads for 7 mm PRC + 139gr Hornady SST
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) |
|---|---|---|---|---|---|
| 59.7 gr | 3.280" | 24.0" | 3038 fps | ••• | |
| 61.0 gr | 3.280" | 24.0" | 3091 fps | ••• | |
| 61.5 gr | 3.280" | 24.0" | 3110 fps | ••• | |
| ••• | 3.280" | 24.0" | 3120 fps | ••• | |
| ••• | 3.280" | 24.0" | 3136 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.