Im a Springfield guy, own two of their 1911s. I believe that all their frames and slides are made in Brazil. From there, depending on the model, they are either assembled in Brazil or fitted and assembled in the USA
I own 5 Springer 1911's, and not one says anything other than made in Genesco.
Refer you to post three. https://forums.1911forum.com/showthread.php?t=346825