Joslyn rifle
| 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.