[rem1858]

What do you mean by tightening the cylinder release ? (describe the problem)

Is the cylinder movement rotational or are you talking end shake or both ?

You will have some rotational and endshake with revolver at rest(uncocked)
Pull the trigger and hold it all the way back and recheck for movement.
If the movement is gone then you are good to go.
This is the way these revolvers function or I should say the way mine function.

Clarence