The Remington Versa Max uses a patented Versaport gas system with eight ports in the barrel that regulate cycling pressure based on shell length, reliably handling 2.75-inch, 3-inch, and 3.5-inch shells from the same gun. The 26-inch vent-rib barrel is the standard field configuration. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 3 Year introduced: 2011, USA Weight: 7.7 oz Overall length: 46.5" Status: Active Intended use: Waterfowl, Field Hunting, Sport Shooting