Load data for .300 AAC Blackout + 175gr Sierra MatchKing
Based on C.I.P., the max. allowed case length is 1.368 in / 34.75 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 50,763 PSI / 3,500 bar.
Based on C.I.P., the max. allowed case length is 1.368 in / 34.75 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 50,763 PSI / 3,500 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 175gr | MatchKing
Cartridge:.300 AAC Blackout load data
Case Length (L3):1.367" | 34.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.392" | 10.0 mm
Case Capacity:25.1 gow | 1.63 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (C.I.P.):50,763 psi | 3,500 bar
Barrel Length:16.0" | 406 mm
Min. Twist Rate:1:13.5
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Community Loads for .300 AAC Blackout + 175gr Sierra MatchKing
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) |
|---|---|---|---|---|---|
| 16.1 gr | 2.260" | 16.0" | 1509 fps | ••• | |
| 17.2 gr | 2.260" | 16.0" | 1604 fps | ••• | |
| 17.7 gr | 2.215" | 16.0" | 1675 fps | ••• | |
| ••• | 2.260" | 16.0" | 1692 fps | ••• | |
| ••• | 2.260" | 16.0" | 1780 fps | ••• | |
| ••• | 2.215" | 16.0" | 1696 fps | ••• | |
| ••• | 2.260" | 16.0" | 1472 fps | ••• | |
| ••• | 2.260" | 16.0" | 1570 fps | ••• | |
| ••• | 2.260" | 16.0" | 1669 fps | ••• | |
| ••• | 2.260" | 16.0" | 1456 fps | ••• | |
| ••• | 2.260" | 16.0" | 1535 fps | ••• | |
| ••• | 2.260" | 16.0" | 1616 fps | ••• | |
| ••• | 2.215" | 16.0" | 1777 fps | ••• | |
| ••• | 2.260" | 16.0" | 1354 fps | ••• | |
| ••• | 2.260" | 16.0" | 1446 fps | ••• | |
| ••• | 2.260" | 16.0" | 1538 fps | ••• | |
| ••• | 2.260" | 16.0" | 1648 fps | ••• | |
| ••• | 2.260" | 16.0" | 1585 fps | ••• | |
| ••• | 2.215" | 16.0" | 1690 fps | ••• | |
| ••• | 2.260" | 16.0" | 1686 fps | ••• | |
| ••• | 2.260" | 16.0" | 1590 fps | ••• | |
| ••• | 2.215" | 16.0" | 1833 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.