You will need a "sight pusher" - Kimber really seats their sights.
If your so inclined you could buy your own sight pusher or most gunsmiths only charge $35 to $45 to mount them for you (at least around here).
If your so inclined you could buy your own sight pusher or most gunsmiths only charge $35 to $45 to mount them for you (at least around here).