Thank you guys - took my .22 l.r., 7x57R combo (O/U) and Merkel to range - shot them at 60m:

- Yellow 7x57R - front fine 1,5 mm post, rear narrow U shape - 2 shot group
- Red .22 l.r. - front fine 1,5 mm post, rear wide U shape - 5 shot
- Blue Merkel 9,3 - 3+3 groups.

I have allready ordered new sights - 2 mm gold bed (will take in account about flat face - rear fixed blade leaned forward.

Guys thank you very much so far!

P.S. Gunsmith was asking me about the shape of the rear - he suggested express shallow V, golden inlay and U notch?