Pistol Pacs were designated by a “P” then the model number of the revolver frame, then the barrel shroud form (blank) for standard, “V” for vent, “VH” for Vent HeavyTherefore the cylinder is without a doubt distinct.  Probably the threading differs from model to model to help keep from with the ability to interchance barrels to models?

What about the "To start with Issue" along with the revolvers popping out of Norwich or at the least soon after Bob Serva bought the organization? How can they stack up? I observe the cylinders on a single gun I have viewed were not recessed as an example. So there have been design and style changes.as a substitute providing our merchandise by an A