New Member, New Luger, Info Needed

[SteveM]

Originally Posted by postino

The Banner toggle train & extractor appear to be 'plum', while the breechblock & receiver/barrel are 'black'...

Different alloys accept blue differently? Or do they age differently?

You see quite a few 1939's with the plum colored frames, parts, probably due to bluing salts temperature. Still see it every once in a while on CZ firearms producd today.