Load data for .300 WSM + 165gr Barnes TTSX BT
The most recommended powders for this combination are Vihtavuori N550.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 165gr | TTSX BT
Cartridge:.300 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.617" | 15.7 mm
Case Capacity:81.3 gow | 5.27 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.5
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Community Loads for .300 WSM + 165gr 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) |
|---|---|---|---|---|---|
| 61.4 gr | 2.860" | 24.0" | 2865 fps | ••• | |
| 54.5 gr | 2.860" | 24.0" | 2754 fps | ••• | |
| 60.5 gr | 2.860" | 24.0" | 3029 fps | ••• | |
| ••• | 2.860" | 24.0" | 2842 fps | ••• | |
| ••• | 2.860" | 24.0" | 2945 fps | ••• | |
| ••• | 2.860" | 24.0" | 2920 fps | ••• | |
| ••• | 2.860" | 24.0" | 2939 fps | ••• | |
| ••• | 2.854" | 25.6" | 2856 fps | ••• | |
| ••• | 2.854" | 25.6" | 3035 fps | ••• | |
| ••• | 2.860" | 22.8" | 2910 fps | ••• | |
| ••• | 2.860" | 22.8" | 2854 fps | ••• | |
| ••• | 2.835" | 22.8" | 2904 fps | ••• | |
| ••• | 2.854" | 22.8" | 2894 fps | ••• | |
| ••• | 2.858" | 22.8" | 2976 fps | ••• | |
| ••• | 2.860" | 24.4" | 2920 fps | ••• | |
| ••• | 2.860" | 22.8" | 2979 fps | ••• | |
| ••• | 2.860" | 24.0" | 2843 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.