Kiraly M44
1944
Hungary
The kiraly M44 was a 9mm last ditch smg made by the Hungary in a last ditch attempt to make production firearm but it was cut short before significant numbers where made
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BSA-Kiraly
1938-39
UK
Was a experimental SMG collaboration between Kiraly and BSA in 9x20mm that used a Swiss smg mags but it was overall rejected by the British military due to there was no need to have it