I looked and found nothing for Norica parts.
You may be able to sub. a sight from Gamo though.
I did a search for "Gamo air rifle parts" and several sights are available from Gamo.
Good luck!
"Camping places fix themselves in your mind as if you had spent long periods of your life in them.
You will remember a curve of your wagon track in the grass of the plain like the features of a friend."
Isak Dinesen
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