I have a B grade Rem 1894 with Damascus barrels. MBWT was measured in the .058 vicinity for both barrels. While I haven't measured them, I do have a beautiful set of Pieper Damascus barrels that are probably in the same range as yours....

Here's a pic of the Remington barrels after refinishing:



And the rest of the gun:


Great, well made guns.

The world cries out for such: he is needed & needed badly- the man who can carry a message to Garcia