I've heard they are relabeled Model 1885's, and not really Model 78, ala 1971 - and also are not available with either ther B78's 26" barrel length (24" offered), nor the B78's beautifully-contoured, tapered octagon barrels (RB only offered).

I'd rather spend the coin on a 1971 Model B78.

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It ain't no fun, when the rabbit's got the gun