This is not something you need to do often, but just in case you want to swap a leaf (maybe for one with Arabic or Cyrillic writing). I remove the rear sight on an AK-74 so I can work on the rear sight block in a later video.
[video=youtube;F8j7hir7XEg]https://www.youtube.com/watch?v=F8j7hir7XEg[/video]
[video=youtube;F8j7hir7XEg]https://www.youtube.com/watch?v=F8j7hir7XEg[/video]