THE BEST SIDE OF DAN WESSON ELITE MODEL

Pistol Pacs had been specified by a “P” then the model variety of the revolver frame, then the barrel shroud variety (blank) for standard, “V” for vent, “VH” for Vent HeavyAnd so the cylinder is definitely distinct.  It's possible the threading is different from model to model to maintain from having the ability to interchance barrels