Stamm-Saurer Model 1913 Long-Recoil Prototype Rifle
The Stamm-Saurer Model 1913 is a rare long-recoil prototype semi-automatic rifle developed by Hans Stamm for Saurer. Its complex dual-spring system and long-recoil action offered safety but proved too complex for mass production. Only 15 prototypes were made before WWI halted development and Saurer's firearms division closed.




