| Model 1855 Sidehammer .28 Caliber | |
| Year | Serial Number |
| 1855 | 1 |
| 1856 | 5000 |
| 1857 | 15000 |
| 1858 | 18000 |
| 1859 | 20000 |
| 1860 | 22000 |
| Model 1855 Sidehammer .31 Caliber | |
| 1860 | 1 |
| 1861 | 1000 |
| 1862 | 4300 |
| 1863 | 6000 |
| 1864 | 8000 |
| 1865 | 9000 |
| 1866 | 10000 |
| 1867 | 11000 |
| 1868 | 12000 |
| 1869 | 13000 |
| 1870 | 14000 |
| 1861 | 26000 |