Good question!, I was told there are several “Prime or regional” dealers around the country that have or can get everything Beretta imports to the U.S. (except for branded special models made for large retailers).  One of them is SoDak Sports in Aberdeen SD.  I would call one of these dealers and see what they can get for you.

This info is all hearsay of course – I am not a Beretta insider lol.

This may be a good time to explore doing a custom gun on a Tikka action.