An 'educated guess' here, but your sights appear to be modified originals. The rear seems to be a 'wide notch' original (reference the 1935 Steyr catalog image and Louis' photo) that has had the folding leaf swapped out for a 'narrow notch' version (or similar), and the front appears to be the 'stock' ramp with some sort of large block wedged into it.

Your replacements look proper.

I don't know why this didn't occur to me earlier, but here are some scans of the (presumably original) spare sight that was stored in the grip cap storage compartment of my cased M1910 Takedown. They didn't enlarge well, but I wanted to show detail:

The grip cap storage option:

Incidentally (you may already know this), your MS was made between 1924 - 1938 as evidenced by the 'Made in Austria' stamp. If marked 'Osterr. Waffenfabr. Ges - Steyr' on the side, it's 1924 - 1926. If marked 'Steyr Werke', it dates from 1926 - 1938.