Shpagin's Simplified Subgun: The PPSh-41
This review of the PPSh-41 highlights its evolution from the PPD-40, driven by the need for mass production during WWII. Georgi Shpagin's design utilized stamped metal and welding for cost-effectiveness. While the 71-round drum magazine offered high capacity, it was complex and prone to interchangeability issues, leading to the adoption of simpler 35-round box magazines.









