The yoke cavity inside the cylinder is the same diameter all the way to the bottom. I'm suggesting there might be debris left behind during the refinishing inside the yoke cavity in the cylinder, which would prevent the yoke from going fully to the bottom like it should. Just a possibility to check and rule out.

If you have already reassembled the cylinder assembly, you might also double check to see that the components in the cylinder assembly have been installed in the correct orientation and order.

Carter

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Ret. LE, FA Instr, S&W Armorer