StG 44 - Wikipedia
Maschinenkarabiner 42(H) - Wikiwand
What was missing in WW2 that stopped the modern assault rifle from being made? What advancements happened since then to allow modern firearms? - Quora
StG 44, Battlefield Wiki
IMBEL MD - Wikipedia
File:Maschinenkarabiner 42W.JPG - Wikipedia
StG-44, Phantom Forces Wiki
StG-44, H3VR Wikia
StG-44, Phantom Forces Wiki
My friend told me that assault rifles have not changed in the past 80 years. Is this true? - Quora