Load data for .300 WSM + 150gr Barnes TTSX BT
The most recommended powders for this combination are Vihtavuori N550 and Hodgdon VARGET.
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 | 150gr | TTSX BT
Cartridge:.300 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.558" | 14.2 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:1:12.0
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Community Loads for .300 WSM + 150gr 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) |
|---|---|---|---|---|---|
| 64.0 gr | 2.830" | 24.0" | 3044 fps | ••• | |
| 59.5 gr | 2.830" | 24.0" | 2990 fps | ••• | |
| 57.0 gr | 2.830" | 24.0" | 2929 fps | ••• | |
| ••• | 2.830" | 24.0" | 2956 fps | ••• | |
| ••• | 2.830" | 24.0" | 3267 fps | ••• | |
| ••• | 2.830" | 24.0" | 2905 fps | ••• | |
| ••• | 2.830" | 24.0" | 3161 fps | ••• | |
| ••• | 2.830" | 24.0" | 2970 fps | ••• | |
| ••• | 2.860" | 24.3" | 3041 fps | ••• | |
| ••• | 2.830" | 24.0" | 2924 fps | ••• | |
| ••• | 2.830" | 24.0" | 2833 fps | ••• | |
| ••• | 2.830" | 24.0" | 3077 fps | ••• | |
| ••• | 2.830" | 24.0" | 3089 fps | ••• | |
| ••• | 2.807" | 25.6" | 2844 fps | ••• | |
| ••• | 2.807" | 25.6" | 3160 fps | ••• | |
| ••• | 2.846" | 24.5" | 2886 fps | ••• | |
| ••• | 2.846" | 24.5" | 2720 fps | ••• | |
| ••• | 2.846" | 24.5" | 3069 fps | ••• | |
| ••• | 2.860" | 22.8" | 3058 fps | ••• | |
| ••• | 2.860" | 22.8" | 3084 fps | ••• | |
| ••• | 2.860" | 22.8" | 3123 fps | ••• | |
| ••• | 2.846" | 24.5" | 2843 fps | ••• | |
| ••• | 2.860" | 22.8" | 3097 fps | ••• | |
| ••• | 2.860" | 22.8" | 3130 fps | ••• | |
| ••• | 2.846" | 24.5" | 2747 fps | ••• | |
| ••• | 2.846" | 24.5" | 2963 fps | ••• | |
| ••• | 2.830" | 24.0" | 2964 fps | ••• | |
| ••• | 2.860" | 20.0" | 2933 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.