| Metric (mm) | Imperial (in) | |
| Calibre | 12.7 x 120 | .5 |
| Name: | ||
| Case Type: | Semi-rimmed, bottlenecked | |
| Bullet Diameter: | 12.98 | |
| Case Length: | 120.3 | |
| Rim Diameter: | 22.12 | |
| Neck Diameter: | 13.88 | |
| Shoulder Diameter: | ||
| Base Diameter: | 20.90 | |
| Total Length: | 157.5 | |
| Weight: | 130 grammes | |
| Primer: | Berdan | |
| Year Introduced: | ||
| Also known as: |
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| China |
| United Kingdom |
