Quote:
Originally Posted by Nemo288
Another factor in favor of the 2(or3) piece tensioned barrel is the lack of any bulge or obstruction where the barrel is screwed into the frame.
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You're talking about a bore constriction, right? I check any new revolver I get by dropping the largest pin gage that'll enter the muzzle down the bore & check that it smoothly passes all the way thru. Only found one of my S&Ws that had a noteworthy constriction that I had to hand-lap out. The 2-piece barrels do eliminate that problem.
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I believe the forcing cones are cut (formed) better in these EDM/ECM multi-piece barrels too. They always seem to be smoother & uniformly done, unlike the one-piece barrels I tend to see that are (apparently) cut as a separate step from the rifling having circular grooves & rough transitions.
(Below left, my 2-3/4" M69's barrel extension & forcing cone; my 686+'s on the right.)
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