The Remington V3 uses the VersaPort gas system that automatically adjusts port size based on shell length. 28-inch barrel, SuperCell recoil pad, ProBore choke system. Handles 2.75 to 3-inch loads without adjustment. A capable all-around semi-auto. Type: Semi-Automatic Shotgun Action: Gas-Operated Caliber: 12 Gauge Capacity: 4 Year introduced: 2015, USA Weight: 7.5 oz Overall length: 49" Status: Active Intended use: Field, Hunting, Sport Shooting