It's Italian, and fairly modern. Locate the proof marks, nearby will be a date code. Either a box with two letters or a X*** format (Roman Numerals). There is a thread stickied with the date codes around here somewhere.
Hi, i´m from Bavaria,
We call such rifles "Sanft Scheibenbüchse" the original were designd and produced in the 1840´s from the Austiran Gunmake Saftl in Bolzano (since 1945 part of Italy)
I don´t know the quality of the Armi Sport, but the Bondini Sanft Replica is a quite good an precise Sporting Gun.... https://waffenforum.gun-forum.de/forum/thread/75551-bondini-sanftl-präzision/