THE BASIC PRINCIPLES OF DAN WESSON 4 INCH BARREL

I observed within a collector's e book one other day a listing that said the model 12 was developed only in 1970 and 1971--a discrepancy obviously. I am thinking we even now do not have fully accurate and dependable data on Dan Wesson generation.And so the cylinder is without a doubt various.  Perhaps the threading differs from model to model to h