DAN WESSON POLYMER GRIP NO FURTHER A MYSTERY

Pistol Pacs were specified by a “P” then the model range of the revolver frame, then the barrel shroud sort (blank) for standard, “V” for vent, “VH” for Vent HeavySo the cylinder is without a doubt different.  It's possible the threading differs from model to model to maintain from having the ability to interchance barrels to models?Fa