A Police SMG Upgrade: the MP-18 System Schmeisser (audio fixed)
This guide details the historical context and technical aspects of the MP-18 System Schmeisser conversion. It covers the reasons for the upgrade, the licensing and manufacturing changes, and the technical modifications made to incorporate a 20-round box magazine. The conversion aimed to improve reliability and adapt the WWI-era submachine gun for post-war police use, influencing later firearm designs.






