Are they dimensionally the same?
They're kinda sposed to be but lets add some realism
the first are 130 years old - the production run (counting later revamp models like the '53 etc) took 50 years or most of it - Brazilian copies have been around for about as long
I have worked on a number of original 92's - if they been used a lot they usually have developed excess headspace (or had it at the start) and if you borrow parts from another old gun there is usually some hand fitting needed to make the composite run sweet and trouble free.