In zombieland what shotgun did Tallahassee have?

Im talking about the gun he had when he found the girls on the side of the road and they tricked him...It looks like a mossberg 590 or something of that sort anyone know?This is one of my favorite movies watched it today for like the 4th timeIn zombieland what shotgun did Tallahassee have?
http://www.imfdb.org/index.php/Zombielan鈥?/a>

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