First luger! 1920 DWM

[rhuff]

Originally Posted by John Sabato

Richard, I believe you have transposed a couple of digits... The bore diameter would be 8,8X where the "X" is digit from 1 to 5 which is within bore diameter tolerances on the Luger blueprints. In this case, if the last digit is really a "3" then the actual bore diameter is 8,83mm.

Yes, of course you are correct. This brain of mine seems to take a vacation from time to time. Thank you for supplying the OP with the correct info.