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3-inch gun M1918
Anti-Aircraft Gun / From Wikipedia, the free encyclopedia
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For the naval 3-inch gun, see 3-inch/50-caliber gun.
The 3-inch gun M1918 was a United States 3-inch anti-aircraft gun that entered service in 1918 and served until it was largely superseded by the 3-inch anti-aircraft gun M3 in 1930, though the M1918 remained with some National Guard units until early in World War II.[3] The M3 was subsequently replaced by the M1 90mm AA gun early in World War II, primarily during 1942.[4] The M3 3" gun was later adapted for the anti-tank role, serving as the main armament of the M10 tank destroyer during World War II.
Quick Facts Type, Place of origin ...
3-inch Gun M1918 | |
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![]() 3-inch M1918 on towed trailer mount | |
Type | Anti-Aircraft Gun |
Place of origin | United States |
Service history | |
Used by | United States Army |
Specifications | |
Mass | 12,200 lb (5,500 kg) |
Length | 24 ft 11 in (7.6 m) |
Barrel length | 12 ft 6 in (3.8 m) 40 calibers |
Width | 6 ft 11 in (2.1 m) |
Height | 9 ft 2 in (2.8 m)[1] |
Shell | fixed 76.2 x 585mm R[2] |
Shell weight | 15 lb (6.8 kg) |
Caliber | 3 in (76.2 mm) |
Breech | Semi-automatic vertical breech block |
Recoil | Hydro-pneumatic |
Carriage | 4 wheeled cruciform carriage |
Elevation | +10° to +85° |
Traverse | 360°[1] |
Muzzle velocity | 2,400 ft/s (730 m/s) |
Maximum firing range | 25,800 ft (7.9 km) AA ceiling[1] |
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