First shotgun.

Looking Back at Shotgun History

Remington Model 10 - The First Bottom-Ejecting Pump Shotgun

The Hammer Guns of Westley Richards. / The Explora - Premier

First Gauge 20, Families

A tale of the world's most famous shotgun

Federation Firearms SPM-12 Pump Shotgun 12 Gauge - Canada First Ammo Corp.

Franchi SPAS-12 - Wikipedia

1887 Winchester Shotgun - Fort Smith National Historic Site (U.S. National Park Service)

First shotgun! : r/Shotguns

OVER & UNDER: Which barrel to fire 1st?

First Look: Heritage Badlander Shotgun