This guide details the field stripping process for the Steyr-Solothurn S1-100 (MP34), a high-quality pre-WWII submachine gun. The video, presented by Ian McCollum of Forgotten Weapons, demonstrates how to access the bolt assembly and recoil spring for cleaning and maintenance. It highlights the robust construction and historical significance of this firearm, particularly its adoption by various international forces, including a specific Japanese contract variant.
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