IIRC, they started making the DSM around 1934, part of the Nazi party "sports" program, which was really military training for the youth of Germany. Yes, they had a dummy cleaning rod, sling slot, and bolt disassembly disc to look like the K.98k, but no bayonet lug. Other .22 trainers did have the bayonet lug, though, accepting the standard K.98k bayonet.
Jim
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