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FYI, Miroku of Japan built those B92 for Browning (they also make the Citori O/U shotguns for them).
Davidson's,
www.galleryofguns.com has had Winchester (Miroku) build 500 of them in each of these calibers; .38-40 (sold-out), .45 Colt (very few left), .357 & .44 Mag available. I purchased all four. They are extremely well made and I use them in C.A.S. (Note, you can get matching serial numbers if you are interested)
Davidson's is having a sell on these rifles until Jan 15, 05, I think. They cost more than the one your looking at, but you may want to take a look at their website and if you decide to go that way, you can have your dealer order one in.