Prototype Locked-Breech 9x19mm Mauser HSc
This guide details the disassembly and comparison of the rare 9x19mm Mauser HSc locked-breech prototype, as presented by Ian McCollum of Forgotten Weapons. It highlights the design evolution from Josef Nickl's patent, the mechanical differences from the standard HSc, and the reasons for its failure to secure military contracts. The content is highly technical, suitable for advanced enthusiasts interested in firearm design history.










