203 mm howitzer M1931 (B-4)

203 mm howitzer M1931 (B-4) is a 203 mm howitzer or field howitzer.

Also recorded as Stalin's sledgehammer; 203mm Howitzer M1931 (L/25); M1931 howitzer B-4; M1931 (B-4); B-4 howitzer; B4.

Overview

1930s howitzer of Soviet origin.

In detail

It is associated with Soviet Union.

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“203 mm howitzer M1931 (B-4)”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q212438: 203 mm howitzer M1931 (B-4)
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