I have two Bren's I purchased from Bowman in my "to do" pile. Nice shape and they have their original barrels, nuts and parts. The torch cuts will be an easier repair.
What's the U.E. above the main serial number?
https://www.milsurps.com/images/impo.../tXOhOCC-1.jpg
https://www.milsurps.com/images/impo.../ThSNl2i-1.jpg
https://www.milsurps.com/images/impo.../xwW0Eil-1.jpg