Load data for .300 PRC + 180gr Hornady GMX
Based on SAAMI, the max. allowed case length is 2.580 in / 65.53 mm, the max. cartridge length is 3.700 in / 93.98 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Based on SAAMI, the max. allowed case length is 2.580 in / 65.53 mm, the max. cartridge length is 3.700 in / 93.98 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 180gr | GMX
Cartridge:.300 PRC load data
Case Length (L3):2.580" | 65.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.677" | 17.2 mm
Case Capacity:99 gow | 6.42 cm³
Primer Size:Large Rifle Magnum (LRM)
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 .300 PRC + 180gr Hornady GMX
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) |
|---|---|---|---|---|---|
| 71.6 gr | 3.406" | 26.0" | 2685 fps | ••• | |
| 79.0 gr | 3.406" | 26.0" | 2937 fps | ••• | |
| 77.2 gr | 3.406" | 26.0" | 2616 fps | ••• | |
| ••• | 3.406" | 26.0" | 2869 fps | ••• | |
| ••• | 3.406" | 26.0" | 2631 fps | ••• | |
| ••• | 3.406" | 26.0" | 2861 fps | ••• | |
| ••• | 3.406" | 26.0" | 2785 fps | ••• | |
| ••• | 3.406" | 26.0" | 2642 fps | ••• | |
| ••• | 3.406" | 26.0" | 2881 fps | ••• | |
| ••• | 3.406" | 26.0" | 2658 fps | ••• | |
| ••• | 3.406" | 26.0" | 2903 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.