Here's an ad for Mauser small bore rifles (from April 1939).
HJ Reichssieger in der Mannschaftswertung 1938
It explains that the HJ national winners in the 1938 and 1937 national shooting competitions were using Mauser small bore rifles.
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I bought this lot yesterday.
Günther Jürs, born 26.10.1926
HJ member number 3402106
DJ Leistungsabzeichen number 118507
HJ shooting badge number 397091
HJ member from 1 October 1936, Jungbann 287/26
1 May 1937 Fähnlein 8/424
9 November 1938, Hordenführer, Jungbann 424, Hamburg-Hafen
20 April...