Comments by "" (@neutronalchemist3241) on "Ians Top 5 SMGs" video.

  1. The purpose of an SMG was to have portable automatic fire, a full sized rifle didn't have it.
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  2. Beretta just introduced the PMX to replace the M12. It's simple blowback, but, thanks to the use of polymers, is lighter than the MP5 for the same barel lenght, and fires form a closed bolt (so no delay for the first round): https://www.berettadefensetechnologies.com/pmx-submachine-gun
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