MWP Posted January 20, 2016 Share Posted January 20, 2016 How much is too much? Installed a new cylinder in the 617, all ten are sitting right at .007-.008. Is that too much? Do I need to be taking a few thousandths off the shoulder to get it down to .005? Link to comment Share on other sites More sharing options...
bountyhunter Posted January 20, 2016 Share Posted January 20, 2016 If it's barrel to cylinder gap, .007 - .008" is definitely in spec and better than a lot of new SW's revos. I wouldn't worry about it. Link to comment Share on other sites More sharing options...
PatJones Posted January 20, 2016 Share Posted January 20, 2016 Sounds perfect. Too tight a gap can cause it's own problems. Link to comment Share on other sites More sharing options...
MWP Posted January 20, 2016 Author Share Posted January 20, 2016 Yes sorry, barrel to cylinder. My other 617 is tight at .004 and I make a point to clean it regularly between stages. I let it get dirty in practice and found out how quickly it locked up. I'll get this one dirty and report back. Link to comment Share on other sites More sharing options...
Toolguy Posted January 20, 2016 Share Posted January 20, 2016 In my experience, .006 is about the minimum gap when using lead bullet, including rimfire, for not having to clean too often. Also, if shooting a mix of lead and jacketed, you need a gap spaced for lead. If shooting only jacketed you can go .003 to .005 and be OK. This all assumes .001 or less endshake. More endshake effectively closes the cylinder gap because the hand is pushing the cylinder forward during the cocking cycle. Link to comment Share on other sites More sharing options...
pau605177 Posted January 28, 2016 Share Posted January 28, 2016 (edited) I have 617 with the aluminum cylinder I wouldn't mind replacing with SS. Just curious, Why did you replace the cylinder? Edited January 28, 2016 by pau605177 Link to comment Share on other sites More sharing options...
MWP Posted January 28, 2016 Author Share Posted January 28, 2016 I have 617 with the aluminum cylinder I wouldn't mind replacing with SS. Just curious, Why did you replace the cylinder? Lighter, I just like it better. Link to comment Share on other sites More sharing options...
PatJones Posted January 28, 2016 Share Posted January 28, 2016 I have 617 with the aluminum cylinder I wouldn't mind replacing with SS. Just curious, Why did you replace the cylinder?I was unaware S&W made a 617 with an aluminum cylinder. Did you mean a 317? Link to comment Share on other sites More sharing options...
revoman Posted January 28, 2016 Share Posted January 28, 2016 617-2 had aluminum alloy for the cylinder. I think they went back to stainless steel due to problems with the aluminum cylinder. Link to comment Share on other sites More sharing options...
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