If the photos in Butlersrangers last post are the rifle in question the barrel is not tight enough. Did the installer quit because the torque required was too much for his tools or the barrel needed a few thousands faced off the end and tightening further would have broken something? Or maybe the installer just forgot to finish the job after his coffee break? If it were mine I would loosen it, clean, and lube the threads and try again. A couple of us have made tools for doing this and each of us have loaned them out before.
Because Krags were assembled from barrels that were indexed with extractor cut, sights already machined, the final assemble torque can vary greatly to get everything to line up. To loosen and retighten the barrel, you need some big wrenches and a heavy vice attached to a very stout bench, a 6 inch vice on a Bridgeport class milling machine would work well also. You might strain the limits of the tools or it might go easy and you will wonder what all the fuss was about.

I second BR's question how did the extractor line up with the barrel that far off? In a parallel thread just a tiny fraction off caused the bolt not to be able to close. Maybe the index mark was added to Krags after assembly and they do not all line up? Possibly the system was not all worked out on the early 92/96 Krags?

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