Quote:
Originally Posted by AveragEd
By the way, if I'm not mistaken, there was a 627 no-dash AND the 627-0. There was some sort of change made between the two that I can't recall without referring to my SCoSW - perhaps the 5.5" barrel and "Model of 1989" markings?
Ed
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Quote:
Originally Posted by colt_saa
The 278 revolvers were stamped with just the 627 and no engineering revision. The reason that the design was modified after only 278 pieces were manufactured is that S&W learned that the mass of the unfluted cylinder rotating was destroying the cylinder stop notches.
The -0 engineering revision corrected this with a larger bolt and obviously correspondingly larger stop notches in the cylinder.
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Pulled from another thread.