Hungary (70) and Sweden (60) received the Reggiane Re.2000s.
Regia Aeronautica Use
The 3° Stormo, in Sicily, received the first deliveries of the Re.2000 in 1941.
In 1942 the 377a Squadriglia Autonoma, on Sicily, received 24 of the Re.2000 Series III Grande Autonomia to be used as escort fighters.
When Italy surrendered there were only two Re.2000s available but weren't being serviced.
The Hungarian 1/1 and 2/4 Squadrons of the 2nd Air Brigade used them on the Russian Front at Szolnok and Kolozsvar.
In 1943 the Hungarians were allowed to build a version under license and called it the Héjja.
Sweden used them until 1945 / 1946. They were designated the J 20.