Question: What are smaller variants of the Israeli submachine guns that copied the MCEM-2's combine wrap-around bolt and magazine in pistol grip considered to be?
Sentence (from "MCEM 2 submachine gun"): It is believed that prototypes of MCEM-2 were made before the end of WW2, and its derivatives MCEM-4 and MCEM-6 were tested soon after the war.
Relevant evidence: No