Load data for .257 Weath. Mag. + 100gr Barnes TSX BT
462 suitable loads across 74 powder(s) for cartridge .257 Weath. Mag. with 100gr Barnes TSX BT bullet.
The most recommended powders for this combination are Winchester StaBALL HD, Vihtavuori N560 and Norma MRP.
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.209 in / 81.51 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.209 in / 81.51 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications
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Community Loads for .257 Weath. Mag. + 100gr Barnes TSX 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) |
|---|---|---|---|---|---|
| 64.1 gr | 3.160" | 26.0" | 3136 fps | ••• | |
| 71.2 gr | 3.160" | 26.0" | 3462 fps | ••• | |
| 65.0 gr | 3.170" | 24.0" | 3184 fps | ••• | |
| ••• | 3.170" | 24.0" | 3399 fps | ••• | |
| ••• | 3.170" | 24.0" | 3356 fps | ••• | |
| ••• | 3.170" | 24.0" | 3101 fps | ••• | |
| ••• | 3.170" | 24.0" | 3302 fps | ••• | |
| ••• | 3.170" | 24.0" | 3186 fps | ••• | |
| ••• | 3.170" | 24.0" | 3337 fps | ••• | |
| ••• | 3.170" | 24.0" | 3197 fps | ••• | |
| ••• | 3.170" | 24.0" | 3378 fps | ••• | |
| ••• | 3.160" | 26.0" | 2945 fps | ••• | |
| ••• | 3.160" | 26.0" | 3332 fps | ••• | |
| ••• | 3.160" | 26.0" | 3000 fps | ••• | |
| ••• | 3.170" | 24.0" | 3101 fps | ••• | |
| ••• | 3.160" | 26.0" | 3389 fps | ••• | |
| ••• | 3.170" | 24.0" | 3299 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.