Jim Im almost certain the $4K job is sleeving in new barrels in the old barrel butts (MONO-BLOCKING)! Emory may have understood something else, however!

Actually, unless the barrels are replaced at Westley Richards even chamber reline is a collector's killer deed, no matter who does it. The full length reline in a barrel much larger than a .22 LR is frought with down falls. This has caused many failiers of one or both barrels, on many occasions,some with disastrous results. Chamber liners on RIFLES are not without some danger of a blow, and not something I'd reccomend!Most relineing of chambers is done on shotguns, because of the very low pressure. I don't think JJ will do a full length re-line anyway, especially at a $4K price.

400NE is probably right, the left chamber may have been honed to get rid of pitting in that chamber. If that is the case, and the left chamber is safe, I'd simply hone the other chamber to match, and have custom dies made to load the rifle with. I'm sure if this is a honeing problem, very little chamber wall was removed, and after the honeing to match the chambers, one could re-proof the rifle.

If this were my rifle, I would simply let JJ sleeve in new barrels, to the configuration of the old ones, and be done with this fiasco once and for all. A lot of buffalo will go down to a double rifle re-sleeved (mono-blocked)by JJ, and in my opinion, for all practical purposes, outside collector value, will be a better rifle in the field, with fresh NEW barrels, cut to specs! I'm glad, however, it isn't my rifle!