A Beautiful Factory Semiauto SIG MKPO
This guide details the field stripping procedure for the SIG MKPO, a rare semi-automatic variant of a 1930s Swiss submachine gun. It covers removing the end cap, bolt carrier, bolt, and recoil spring. The video emphasizes the high-quality Swiss machining and unique safety interlocks. Instruction is provided by Ian McCollum, a recognized expert in historical firearms.











