Welcome from Georgia.
Please take a few moments to familiarize yourself with all the sticky posts in the 'New Members' section. Together with the Help Topics in the 'Important Information' or 'FAQ' sub-section, these include 'how tos' such as 'how to' post pictures on the forum.
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Be aware that some of the SP01 "rear target sights" require machining the top of the slide and then (becasue the sight overhangs the hammer...) fitting a different shape hammer. CZ Custom did mine more than a decade ago, so I've forgotten the names of the parts.