 | This article needs additional citations for verification. (June 2013) |
| Agar gun | |
|---|---|
 The weapon at the Springfield Armory Museum | |
| Type | Hand cranked machine gun |
| Place of origin | United States |
| Service history | |
| In service | 1861–1865 |
| Used by | United States |
| Wars | American Civil War |
| Production history | |
| Designer | Wilson Agar |
| Designed | 1861 |
| Specifications | |
| Caliber | .58 in (14.73 mm) |
The Agar gun (or Ager) was an early rapid fire machine gun developed during the US Civil War. The weapon was nicknamed the Coffee Mill Gun, and was also called the Union Repeating Gun.