Glad that you finally accepted there are 03A3 rifles out there that have the Z prefix as well, not only 03A4 sniper rifles.
Re the thread, read it from the beginning down. It was mentioned the Z prefix was added to 03A4 sniper rifles that had a serial that was used twice. A few posts later I mentioned this did not only apply to 03A4 sniper rifles, but also to 03A3 service rifles. Then mark1 chimed in and mentioned he has two A3 rifles with a Z prefix, of which I then asked him to show off since most collectors are aware of the Z prefix 03A4, but not of the 03A3. He then posted the pictures per my request.