| 10.4mm Swiss Centerfire | |
| Type: | revolver |
| Service: | 1878-1882 |
| Used By: | Swiss Army |
| Designer: | Lieutenant-Colonel Rudolf Schmidt |
| Design Date: | 1878 |
| Is Si Specs: | yes |
| Parent: | 10.4×18mm Swiss Rimfire |
| Case Type: | Rimmed, straight |
| Bullet: | 10.76 |
| Neck: | 10.8 |
| Base: | 11.2 |
| Rim Dia: | 13.3 |
| Rim Thick: | 1.1 |
| Case Length: | 20 |
| Length: | 32 |
| Is Si Ballistics: | yes |
| Bwunit: | gram |
| Bw1: | 12.5 |
| Btype1: | lead 1 g of black powder |
| Vel1: | 185 |
| En1: | 213 |
The 10.4mm Swiss centerfire revolver cartridge was used in the Ordnance Revolver models 1872/78 and 1878 of the Swiss Army.[1] The case is of brass; the bullet is of hardened lead.