JeffNH Posted October 23, 2004 Report Share Posted October 23, 2004 Folks, I have a 1928A1 Thompson serial numer AO19xxx and was wondering where I could find the date range of when it was made? It's marked Bridgeport. Thanks! JeffNH Link to comment Share on other sites More sharing options...
gijive Posted October 23, 2004 Report Share Posted October 23, 2004 All 1928A1 Thompsons have the Bridgeport, CT address on them. Auto-Ordnance opened the Bridgeport, CT plant in late 1941 so generally speaking all 1928A1 Thompsons made at the Auto-Ordnance facility were made during late 1941, 1942 and maybe into early 1943. M1 series production began in 1942 and 1943, so you have about a little over a one year period during which the 1928A1 Auto-Ordnance made guns were made. Based on the serial number you provide the gun was likely made in early 1942. Hope this helps. Link to comment Share on other sites More sharing options...
JeffNH Posted October 24, 2004 Author Report Share Posted October 24, 2004 gijive, Yes it does, thanks! Jeff Link to comment Share on other sites More sharing options...
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