Complete with the super-detailed cutaways, this 1942 U.S. Army training film covers the non-Blish lock operation of the M1928A1 and M1/M1A1 made by Savage Arms and Auto-Ordnance after April 1942.
The most common Tommy guns of all time, these were made in quantity (562,511 M1928A1s and a million “United States Submachine Gun, Cal. .45, M1” and M1A1), though they were all replaced by the cheaper M3 Grease Gun soon after the war.
