Winchester's SXP (Super X Pump) Field uses an inertia-assisted action that extracts additional energy from recoil to make the pump stroke faster and smoother than a conventional pump. The 12-gauge Field version with 26 or 28-inch barrel and Invector-Plus choke system is a capable hunting gun at a competitive price. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 2009, USA Weight: 112 oz Overall length: 47" Status: Active Intended use: Hunting, Field, Upland, Waterfowl