3-inch M1902 field gun
| 3-inch Gun, Model of 1902, 1904, and 1905 | |
|---|---|
M1905 model | |
| Type | Light field gun |
| Place of origin | United States |
| Service history | |
| In service | 1902–1919 |
| Used by | US Army |
| Wars | World War I |
| Production history | |
| Designer | Watervliet Arsenal |
| Designed | 1902 |
| Produced | 1902–1917 |
| No. built |
|
| Variants | M1902, M1904, M1905 |
| Specifications | |
| Mass | gun & breech : 835 lb (379 kg) (1902 & 1904) 788 lb (357 kg) (1905); 2,520 lb (1,140 kg) gun & carriage total. |
| Length | 180 in (460 cm) From trail to muzzle |
| Barrel length | 28 calibers, 7 feet (2.1 m) (bore) |
| Width | 76 in (190 cm) |
| Height | 63 in (160 cm) |
| Crew | 5 |
| Shell | Fixed QF 76.2 x 273mm R |
| Shell weight | 15 lb (6.8 kg) |
| Calibre | 3-inch (76.2 mm) |
| Breech | Interrupted screw, De Bange type |
| Recoil | hydro-spring, 45 inches (1.14 m) |
| Carriage | wheeled |
| Elevation | -5° to +15° |
| Rate of fire | 15 rounds per minute |
| Muzzle velocity | 1,700 ft/s (520 m/s) |
| Effective firing range | 6,000 yd (5,500 m) at 15° elevation |
| Maximum firing range | 8,500 yd (7,800 m) approx. |
| Feed system | hand |
The 3-inch Gun, Model of 1902 was the U.S. Army’s first nickel steel, quick-firing field gun with a recoil mechanism. Like its predecessor the 3.2-inch gun M1897, it was a rifled breechloader.