I am looking at a Lorenz rifle here and it seems to have an odd screw added through its lockplate - I am unable to find any other sources or pictures, though who knows, I might be missing something obvious.
Is this just a reinforcing screw? Or am I missing something here?
Picture: https://imgur.com/a/vg5emSC
Is this just a reinforcing screw? Or am I missing something here?
Picture: https://imgur.com/a/vg5emSC


















































