lakedelevan, someone has had the barrel off the revolver and hasn't aligned the witness marks on the right of the hinge. Pix #2 shows the mark on the hinge pin looking right while the mark on the hinge is pointing straight up. the marks are there so an alignment boss will key into the hinge thus producing a smooth pin that is not 'proud' of the hinge. Carefully remove the screw on the left side and reorient the witness marks and reinstall the screw.

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Mike Maher #283