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.
This expert-level guide details the operation of the factory semi-automatic SIG MKPO, drawing on the authoritative insights of a firearms instructor. It covers the unique tilting bolt system, the spring-loaded magazine retention, and the critical receiver end cap safety feature, emphasizing safe handling and understanding of its complex mechanics.
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