Quote:
Originally Posted by mrerick
To be clear, the "hump" is not the addition of metal at the rear of the receiver.
The presence of the "hump" is actually the result of an additional milling procedure which removed metal below the area of the rear toggle hinge.
After the early 1937 engineering change, new receivers all had the "hump". It is, of course, possible that older receivers were used out of manufacturing sequence...
I wonder why Mauser stopped milling away the area from 1935 until 1937? It was certainly a reduction of labor and time to manufacture...
Marc
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I wonder why they ever started,and again why it was resumed?
As you say, extra and seemingly un-necessary work.
