Sjögren shotgun
Country of origin
Sweden
The Sjögren Inertia Shotgun (marked: Automat, system Sjögren Patent) is a 12–16 gauge semi-automatic shotgun that was designed by the Swedish inventor Carl Axel Theodor Sjögren, initially manufactured by AB Svenska Vapen- och Ammunitionsfabriken in Sweden and then by Håndvåbenværkstederne Kjøbenhavn in Denmark.







