203-mm howitzer M1931 (B-4)

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203-mm howitzer model 1931 (B-4)
203-mm howitzer model 1931 B-4 in Great Patriotic War museum, Minsk, Belarus.
Type	heavy howitzer
Place of origin	USSR
Production history
Produced	1932-?
Specifications
Weight	combat: 17,700 kg travel: 19,000 kg
Barrel length	bore: 4,894 mm / 24.1 calibers overall: 5,087 mm / 25 calibers
Caliber	203 mm
Elevation	0° to 60°
Traverse:	8°
Rate of fire	1 round per minute
Maximum range	18 km

B-4 was 203-mm (8 inch) Soviet heavy howitzer. Full official name of this gun is 203-mm howitzer model 1931 (Russian: 203-мм гаубица образца 1931 года (Б-4)). These guns were used with success against heavy German fortifications and in urban combat for crushing protected buildings and bunkers.

[edit] References and external links

• Shunkov V. N. - The Weapons of the Red Army, Mn. Harvest, 1999 (Шунков В. Н. - Оружие Красной Армии. — Мн.: Харвест, 1999.) ISBN 985-433-469-4

Soviet Artillery of Great Patriotic War
Anti-tank guns
37-mm gun 1-K | 45-mm gun M1937 | 45-mm gun M-42 | 57-mm gun ZiS-2 | 100-mm gun BS-3
Mountain guns
76-mm mountain gun M1938
Regimental guns
76-mm gun M1927 | 76-mm gun M1943
Divisional guns
76-mm gun M1902/30 | 76-mm gun F-22 | 76-mm gun USV | 76-mm gun ZiS-3 122-mm howitzer M1909/37 | 122-mm howitzer M1910/30 | 122-mm howitzer M-30
Corps and Army level guns
122-mm gun A-19 | 152-mm howitzer M1909/30 | 152-mm howitzer M1910/37 152-mm howitzer M-10 | 152-mm howitzer D-1 | 152-mm gun M1910/30 152-mm gun M1910/34 | 152-mm gun-howitzer ML-20
Very heavy guns
152-mm gun M1935 | 203-mm howitzer B-4 | 210-mm gun M1939 280-mm mortar M1939 | 305-mm howitzer M1939
Air defense guns
25-mm gun 72-K | 37-mm gun 61-K | 76-mm gun M1938 | 85-mm gun 52-K