Load data for .270 WSM + 155gr Barnes LRX BT
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:.277 | 155gr | LRX BT
Cartridge:.270 WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.755" | 19.2 mm
Case Capacity:79.5 gow | 5.15 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:1:8.0
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Community Loads for .270 WSM + 155gr Barnes LRX 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) |
|---|---|---|---|---|---|
| 57.3 gr | 2.890" | 24.0" | 2741 fps | ••• | |
| 61.6 gr | 2.890" | 24.0" | 2776 fps | ••• | |
| 52.2 gr | 2.890" | 24.0" | 2531 fps | ••• | |
| ••• | 2.890" | 24.0" | 2756 fps | ••• | |
| ••• | 2.890" | 24.0" | 2692 fps | ••• | |
| ••• | 2.890" | 24.0" | 2989 fps | ••• | |
| ••• | 2.860" | 24.0" | 2979 fps | ••• | |
| ••• | 2.890" | 24.0" | 2752 fps | ••• | |
| ••• | 2.890" | 24.0" | 2813 fps | ••• | |
| ••• | 2.890" | 24.0" | 3054 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.