I’m interested in getting a blued S&W N frame revolver, 4” or 6” barrel without under lug. I’m already invested in .41 Magnum ammunition, dies, and components so I’m strongly considering an M57. I think the most recent version is the -5. Is there a preferred period of manufacture for the M57? If I were to describe preferred characteristics, I would say post Endurance Package and pre-MIM parts. That said, given the additional thickness of the M57 cylinder, is the Endurance Package as important to the longevity of the M57 as it is the M29? Thanks in advance.
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