| Joslyn Rifle | |
|---|---|
 | |
| Type | Service rifle |
| Place of origin | United States |
| Service history | |
| Used by | United States, Argentina |
| Wars | American Civil War, Franco-Prussian War |
| Production history | |
| Manufacturer | Joslyn Firearms Company |
| Produced | 1855–1865 |
| Variants | M1855, M1861, M1862, M1864, M1865, rifle and carbine |
| Specifications | |
| Caliber | .54 or .58 |
| Action | Breech-loaded |
The term Joslyn Rifle refers to a series of rifles produced in the mid-19th century. The term is often used to refer specifically to the Joslyn Model 1861/1862, which was the first mass-produced breech-loading rifle produced at the Springfield Armory.