This is a Beretta known as the A400 Upland chambered in 12 Gauge 3", model J40AN18.
The A400 is a gas-operated action that was built for speed" reliability and versatility. The A400 action is self-cleaning" so it requires much less maintenance than any other shotgun you'll ever own. When you take this gun apart you'll be amazed by the intuitive simplicity of the tool-free field-stripping process and by what little maintenance the A400 requires.
Features:
Low Profile Action
Fastest Follow-Up Shots of Any Shotgun
Low-Recoil
Self-Cleaning Piston