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Old 02-21-2013, 08:15 PM
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Default Lock up on a 617-4

Its a 10 shot and with a empty cylinder it does not lock up on 4 chamber holes in a row BUT with rounds in the chamber holes it locks up perfectly fine. Seems to me there used to be 2 locking pins ?? on the cylinder back in the day when they were 6 shot only guns. Very interesting indeed. It uses the cases to lock itself up.Any comments?
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Old 02-21-2013, 08:24 PM
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The alignment pins have been eliminated and they use an X shaped extractor, which often fits a bit loosely and relies on cases to time and lock-up correctly. If you are a bit of a perfectionist like me, you can remove the extractor and peen the X tips of the extractor just a bit to lock-up more tightly without cases. Remember the extractor rod is left hand threaded. Care has to be exercised. A little goes a long way.
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S&W Revolvers: 1980 to the Present Thread, Lock up on a 617-4 in Smith & Wesson Revolvers; Its a 10 shot and with a empty cylinder it does not lock up on 4 chamber holes in a ...
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