MkV operating instructions

  1. Install the jack screw with push pin.
  2. Raise the bottom screw with the rotating washer to the correct height to keep the pin on the bottom of the dovetail.
  3. Tighten the top set screw and check height. Adjust as necessary.
  4. When height is satisfactory, tighten the side screws evenly. Install the counterforce screw opposite the jack screw.
  5. When applying force to the jack screw, if the slide tries to move under pressure, tighten the counterforce screw slightly until the slide cannot move.
  6. Apply pressure to the sight by turning the Jack screw.

Here's the set up on a 1911 rear sight. Other slides work pretty much the same way.  Photo: Roy Huntington

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