203 mm Howitzer M1931 (B-4) Field Gun
| Country of Origin | Russia |
| Type | Field Gun |
| Caliber | 203.000 mm |
| Length | 5.087 m |
| Barrel Length | 4.894 m |
| Weight | 17700.000 kg |
| Ammunition Weight | 98.50 kg |
| Rate of Fire | 1 rounds/min |
| Range | 18.000 km |
| Muzzle Velocity | 606 m/s |
Contributor: C. Peter Chen
ww2dbaseThe 203 mm Howitzer M1931 (B-4) field guns were designed by Nikolai Nikititsch Magdesiew in 1931, and production began in 1932. These heavy howitzers were mounted on tracked carriages for towing. Although the firing rate of 1 round per minute was rather slow, they were used with success against German defensive fortifications as the Soviet forces advanced toward Berlin, Germany during the European War.During the design's production life, 871 examples were built.
Source: Wikipedia ww2dbase
Last Major Revision: Jan 2011
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Visitor Submitted Comments
2. 
Alan Chanter says:
29 Aug 2019 07:33:20 AM
In the final days of the war, B-4s were frequently used in the direct-fire role against German strongpoints in Berlin, becoming known as ‘Stalin’s sledgehammer’.
Alan Chanter says:29 Aug 2019 07:33:20 AM
In the final days of the war, B-4s were frequently used in the direct-fire role against German strongpoints in Berlin, becoming known as ‘Stalin’s sledgehammer’.
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10 Aug 2011 03:54:26 PM
In case anyone is wondering about the odd seeming size, 203mm is 8 inches.