The Mossberg 410 single shot I was able to find was a model 83D, take down, 2 round fixed, 1940 to 1946, later replaced by the model 183D (1947 to 1971 and 183K (select choke) 1953 to 1985
There were model 85D's (20 ga) 2 round detachable, 1940 to 1946, later replaced by model 185D, 1947 tp 1971, and 185K, select choke, 1951 to 1963.
Mossberg model 190D, 16 ga, 1955 to 1971, same as 185D, 190K, 16 ga, 1956 to 1963, same as 185K
Mossberg 195D, 12 ga, 1955 to 1971, same as 185D, and model 195K, 12 ga, 1956 to 1963, same as 185K
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