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 "Chiang Kai-shek rifle"): It was later renamed the Type Zhongzheng and was in full-scale production as early as late 1935.
Relevant evidence: No