Some AUG assault rifles can be modified to be smaller and fire a smaller caliber of bullet, but these are not true submachine guns.
Thompson submachine gun was created in 1919.
about $15
Best known was the STEN gun.
uzi submachine gun
No, The P90 is a Belgian designed submachine gun.
Sten submachine gun
Sten (British submachine gun).
Assault rifle
Costco.
The Lineup - 1954 The Submachine Gun Case - 1.18 was released on: USA: 28 January 1955
I'm guessing you mean a "Tommy" gun. Tommy gun was a nickname for the Thompson submachine gun.
electron gun, favorite son, submachine gun, cinnamon bun