I'm new to this forum and a just getting started on getting parts together for my ANH E11 build. This may be of interest but Helston Gunsmiths in the UK (helstongunsmiths.com) are selling genuine Sterling magazines for £8.50 ($10-11?) plus shipping (£4.50 in the UK). I think that's cheap - another place I found wanted £20. I've just received mine and it's just great! Obviously it'll need shortening but if I mess up, a replacement is inexpensive.