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Old 06-25-2009, 01:19 PM
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Default 625 Cylinder Gap Spec? 625 Box Availability?

What is the correct gap between the cylinder and the barrel for a 625-4?

Can anyone recommend a source for the original box, manual and accessories for this gun?
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Old 06-25-2009, 02:27 PM
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Barrel/cylinder gap is not critical. S&W says anything between .004 and .010 is within spec. Too small a gap is no good. Junk can build up, and bind the cylinder. Your gun would have come in a Bangor/Punta era folding blue/white cardboard box. Guys used to sell them on eBay. You can try gunbroker.com.

Last edited by pinkymingeo; 06-25-2009 at 03:01 PM.
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Old 06-25-2009, 02:30 PM
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I have two 625-5 Smith's and one is 5 thousands and the other is 6 thousands.
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Old 06-25-2009, 05:44 PM
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B/C gaps of about .005 - .006" are considered perfect. There is very little loss in muzzle velocity if it increases to .010 or even .012".
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Old 06-25-2009, 06:23 PM
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What is the down side of a gap greater than .005 and less than .010?
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