from what I know, Beretta sold the tooling to Stoeger. so, it is essentially the same gun. not something that was reverse engineered to be manufactured by somebody else.
I got to test a Stoeger Cougar last week. I am by no means a great shooter, but this gun made me look good from 10 yards out. I like how the gun feels when holding and aiming , and pulling the SA trigger was light with little recoil. the rotating barrel was cool to see how it operates.
makes me want one.

