Harpers Ferry Model 1803
| Harper's Ferry M1803 - (33" barrel, 49" overall.) | |
|---|---|
| Type | Muzzle-loading rifle | 
| Place of origin | United States | 
| Service history | |
| In service | 1803-1841 | 
| Wars | War of 1812, Mexican–American War, American Civil War | 
| Production history | |
| Manufacturer | Harper's Ferry Armory | 
| Produced | 1803-06, 1814-19 | 
| No. built | ~20,000 | 
| Variants | Types 1-3 | 
| Specifications | |
| Mass | 9 lbs (4.082 kg) | 
| Barrel length | 33" (838 mm) | 
| Cartridge | .525 (13.335 mm) | 
| Caliber | .54 (13.716 mm) | 
| Action | Flintlock/percussion lock (conversion) | 
| Feed system | Muzzle-loaded | 
The Harper's Ferry M1803 rifle was the first standard rifle (as opposed to a smoothbore musket), made by an American armory.