Steyr-Solothurn Waffen AG is a firearms manufacturer based in Austria, founded in 1929. GunSpec lists 2 Steyr-Solothurn Waffen AG firearms spanning submachine guns, introduced between 1929 and 1930.
Firearms by Steyr-Solothurn Waffen AG
Steyr-Solothurn MP 34 — Submachine Gun · 9x25mm Mauser Export · 1930 · Out Of Production