The V3 uses Remington's Versa Port gas system, which automatically adjusts port size based on load pressure. This allows a single gun to reliably cycle everything from light 2-3/4 target loads to heavy 3-inch magnums without user intervention. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 4 Year introduced: 2015, USA Weight: 80 oz Overall length: 47.5" Status: Active Intended use: Hunting, Sport Shooting