Has anyone installed night sights on their PCR? I am considering two do it yourself options. 1. just putting on trijicon front sight from CZ custom or 2. put on set of meprolights. I plan on doing myself. If I did first option don't have to remove rear sight. I think I can install front sight ok, but not sure how hard to remove and install new rear sight. Will the old tap, tap method work. If anyone has experience I would appreciate hearing from you. thanks.