Benelli’s inertia-driven Super Black Eagle was the first semi-automatic shotgun to chamber the 12-ga., 3½" shell. The landmark design did more than just work with the big shells—it changed a culture.
In 1903, two semi-automatic shotguns revolutionized hunting. John M. Browning’s long-recoil-operated Automatic-5—“Five shots under your finger,” read the advertising—and Swedish gunsmith Carl Axel Theodor Sjögren’s inertia-operated “Normal” shotgun.
American Rifleman’s Kelly Young gets a closer look at Browning’s A5 Sweet Sixteen shotgun.