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Old 07-31-2019, 09:59 PM
rem33
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Quote:
Originally Posted by Danjet500 View Post
At the time of changing from the OM to the NM, Ruger used up existing stock of OM magnum cylinders. Once the supply was gone, all magnum cylinders were unfluted.
I have a Single-Six Rugers web sight says was made in 1975, #63-75XXX both cylinders are fluted.

IIRC Ruger began using unfluted 22 mag cylinders about 1976

Last edited by rem33; 07-31-2019 at 10:11 PM.
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