Question: What was the name of the forerunner of the bolt-action rifle chambered for the 7.92×57mm Mauser cartridge that was adopted on 21 June 1935 as the standard service rifle by the German "Wehrmacht"?
Sentence (from "Karabiner 98k"): Millions were captured by the Soviets at the conclusion of World War II and were widely distributed as military aid.
Relevant evidence: No