12 mm Lefaucheux
| 12 mm Lefaucheux | |
|---|---|
| Type | Revolver |
| Service history | |
| In service | 1858–1892 |
| Used by | French Navy and French Army |
| Production history | |
| Designed | 1858 |
| Specifications | |
| Case type | Rimmed, straight |
| Bullet diameter | 11.3 mm (0.44 in) |
| Neck diameter | 11.8 mm (0.46 in) |
| Base diameter | 11.9 mm (0.47 in) |
| Rim diameter | 12.6 mm (0.50 in) |
| Rim thickness | 0.94 mm |
| Case length | 19.9 mm (0.78 in) |
| Overall length | 30.8 mm (1.21 in) |
The 12mm Lefaucheux is a metallic center-fire cartridge. It was originally created as a rimless pinfire cartridge using black powder employed by the French navy on the Lefaucheux M1858 revolver. Later it was adapted to a center-fire cartridge by the French Army in 1873 for use on the MAS 1873 revolver.