I believe you mentioned that live rounds freely drop into, and fall out of the cylinder. If this is the case, the live rounds are not "binding" during firing.
Remove the yoke screw (front sideplate) and check the headspace (rear clyinder gauge) with the screw removed.
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Ret. LE, FA Instr, S&W Armorer
Last edited by armorer951; 03-22-2017 at 03:42 PM.
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