Chronology of Mossberg Firearms 1919 2019

same action as earlier 152 rifle length 250KA 1960 1960 New Haven rand .22 semi-auto box fed mag new hammerless design S137 rear sight 250K 1961 1962 same as 250KA with dovetail open sight _____ 251 1968 1971 .22 semi-auto tube fed through stock, New Haven economy brand, hammerless action, carbine length ................
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