Production History
The gun was in production in 1937-46. 6,884 guns were manufactured and about 4,000 ML-20S barrels for using in self-propelled guns SU-152 and ISU-152. The ML-20 was eventually replaced by the D-20 152 mm gun with identical ballistics, which entered production in 1956.
| Production of МL-20s, pcs. | |||||||||||
| Year | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | Total |
| Produced, pcs. | 148 | 500 | 567 | 901 | 1,342 | 1,809 | 1,002 | 275 | 325 | 15 | 6,884 |
Smaller production rates toward the end of the war were caused by two reasons. First, most of the barrels produced in these years were ML-20S. Second, after Germans fielded heavy tanks the plant was ordered to increase production of A-19 122 mm guns instead of some ML-20.
Read more about this topic: 152 Mm Howitzer-gun M1937 (ML-20)
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