Load data for .458 SOCOM + 300gr Barnes TTSX BT
The most recommended powders for this combination are Hodgdon H4198.
Based on CIP, the max. allowed case length is 1.580 in / 40.13 mm, the max. cartridge length is 2.250 in / 57.15 mm, and the max. allowed pressure is 35,001 PSI / 2,413 bar.
Based on CIP, the max. allowed case length is 1.580 in / 40.13 mm, the max. cartridge length is 2.250 in / 57.15 mm, and the max. allowed pressure is 35,001 PSI / 2,413 bar.
Load Specifications
ImperialMetric
Bullet:.458 | 300gr | TTSX BT
Cartridge:.458 SOCOM load data
Case Length (L3):1.575" | 40.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.564" | 14.3 mm
Case Capacity:63 gow | 4.08 cm³
Primer Size:Large Pistol (LP)
Max. Pressure (CIP):35,001 psi | 2,413 bar
Barrel Length:16.0" | 406 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .458 SOCOM + 300gr Barnes TTSX BT
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) |
|---|---|---|---|---|---|
| 35.4 gr | 2.245" | 16.0" | 1705 fps | ••• | |
| 33.1 gr | 2.245" | 16.0" | 1562 fps | ••• | |
| 36.1 gr | 2.245" | 16.0" | 1700 fps | ••• | |
| ••• | 2.245" | 16.0" | 1529 fps | ••• | |
| ••• | 2.245" | 16.0" | 1686 fps | ••• | |
| ••• | 2.245" | 16.0" | 1477 fps | ••• | |
| ••• | 2.245" | 16.0" | 1668 fps | ••• | |
| ••• | 2.250" | — | 1641 fps | ••• | |
| ••• | 2.226" | 16.0" | 1752 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.