I've got a realitvely new 637 (Airlite Chief's Special, .38spl +P). The rounds drop into an empty cylinder just fine, and live rounds fall out as well. However, after firing, 3-4 of the individual cylinders stick pretty bad, to where I have to forcefully push the the ejector up against the shooting bench in order to push the spent brass out far enough for me to grab onto. The spent casings still have to be yanked from the cylinder. New rounds once again drop in fine. The spent casings often have scratches from the interior of the cylinder.

I don't remember having these troubles with other revolvers. The ammo is factory new, Winchester White Box, both FMJ and Jacketed Hollow Points.

I clean it on a regular basis. Is there something I should look for or do to fix this?

Quoted: I would pack it up and send it back to S&W. Their service is excellent

+1

I've noticed, the shorter barreled S&W's have a slight problem with ejection the brass.  I think it's the shorter ejection rod.  It doesn't make the brass clear the cylinder.  

I've had the same problem.  If you hold the weapon, barrel up and give the ejector rod a good push, with your thumb, the rounds will fly out.  



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Quoted: Quoted: I would pack it up and send it back to S&W. Their service is excellent +1

+2