The Thompson submachine gun and the M3 submachine gun, two classic submachine guns (SMGs), helped American GIs win World War II. Both fired the same powerful and ever-beloved .45 ACP (Automatic ...
Alas, I’ve yet to fire a Grease Gun ... By contrast, the M3 ran with superb reliability by all accounts that I’ve read. The production numbers don’t lie either. To use a WWII armor analogy ...