Question: What gun did the machine gun that the MG 3 is derived from replace?
Sentence (from "MG 42"): The MG 42 (shortened from German: "Maschinengewehr 42", or "machine gun 42") is a 7.92×57mm Mauser general purpose machine gun designed in Nazi Germany and used extensively by the Wehrmacht and the Waffen-SS during the second half of World War II.
Relevant evidence: No