| Winchester Model 1903 | |
|---|---|
 | |
| Type | Semi-automatic rifle |
| Place of origin | United States |
| Production history | |
| Designer | T. C. Johnson |
| Manufacturer | Winchester Repeating Arms Company |
| Produced | 1903 to 1932 |
| No. built | 126,000 |
| Variants | "Plain" and "Fancy Finish" rifles |
| Specifications | |
| Mass | 6 lb (2.7 kg) to 7 lb (3.2 kg) |
| Length | 37 in (940 mm) |
| Barrel length | 20 in (510 mm) |
| Cartridge | .22 Winchester Automatic |
| Action | Blowback |
| Rate of fire | Semi-automatic |
| Feed system | 10-round tube magazine |
| Sights | Open iron sights and optional tang or receiver-mounted aperture sights |
The Winchester Model 1903 was the first commercially available semi-automatic firearm made by the Winchester Repeating Arms Company.