Can you guys Identify this Luger?

[JohnLuger]

Originally Posted by MFC

IIRC the early K dates have a setback sight base.

What does IIRC mean? Also, where do you guys see military proof on the right side. Can you please reupload the pic with maybe an arrow pointing to it. Thank you.

P.S. it is a 9mm...you guys can ask me even though i don't know alot about luger I can maybe from memory tell you what I saw or something.