I happen to have a M-19 that was setup to be a target gun with a heavy bbl. It was done up really nice but I have no use for such a Frankenstein. When I got it I got the box papers original 4 inch bbl stocks sights etc. Though I have worked on S&W internals have never removed a bbl. Bbl is pinned. Just wondering if the pin is tapered? does it have to come out left to right or vice versa? Or doesn't it matter?