I have been searching for this thread for a couple of days. Been looking at some photos of a friend's .333 because Jeffery cut the magazine front out of it to accommodate the long round. I remembered this thread of the magazine box cut away and wanted to find it again. Did they use the military follower or is it a wider one? Same with the floor-plate? From the looks of the photos the magazine mortise may not be inletted as wide as would be to accommodate the magazine box if it were complete. Certainly an interesting rifle and grand specimen of a classic builder.