Like Alan I also read that the stock lug feature was found to be helpful in holding the frame during production of the Luger. Allegedly that is the reason why this piece of the frame was retained throughout it's German manufacturing history (1913-1945). Even the Krieghoffs Lugers had it on thier frames thru 1945.
The original intention of adding the lug in 1913 was to connect the board stock, but that need ended in 1918 and the military never ordered anymore LP-08s.
It took a long time to manufacturer a Luger by Mauser, so if there was no longer any practical need for the stock lug (as the board stocks were not issued) they would have eliminated it to save time and raw material. One of the things they try to do in any manufacturing is to make the product faster and cheaper, so they try to eliminate parts and steps, if possible.
Maybe the machinery from DWM was still being used and to change it would be too expensive.
Base upon what was written above, there are no available pictures that might substantiate this theory. If the lug was not needed during manufacturing and board stocks were no longer issued with these pistols, why keep it?
Joe
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