Question by The Cupcake Monger: M1A1 Thompson specs, I am trying to make movie prop?
Does anyone have any information at all on the specs of the US M1A1 Thompson submachine gun? I am filming a WWII movie this summer and I need to make a M1A1 Thompson replica. Please! Any info would be great!
Best answer:
Answer by Tyler p
The M1A1, formally adopted as the United States Submachine Gun, Cal. .45, M1A1, could be produced in half the time of the M1928A1, and at a much lower cost. The multi-piece firing pin of the M1 was supplanted by a simplified firing pin machined into the face of the bolt. The 30-round magazine became more common. In 1939, Thompsons cost the government $ 209 apiece. By the spring of 1942, cost reduction design changes had brought this down to $ 70. In February 1944, the M1A1 reached a low price of $ 45 each, including accessories and spare parts. By the end of 1944, the M1A1 was replaced with the even lower-cost M3 (commonly called “Grease Gun”).
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