Each Stevens 320 Security Thumbhole shotgun is equipped with a 3" chamber and a 5-round magazine tube. ... 320, security, pump action, 12 gauge, shotgun, 20 gauge, turkey, new guns, 2020. Related ...

Stevens’ 320 Security shotgun lets you take on any tactical situation, ... Like all 320 shotguns, it features a smooth, reliable pump action, rotary bolt and dual slide-bars.

SUFFIELD, Conn. - April 11, 2016 - The Stevens 320 pump shotgun series has built a reputation for solid, affordable performance for everything from wingshooting to home defense.