The Stoeger P3500 Defense with 18.5-inch barrel and 3.5-inch chamber capability, though most defense loads are 2-3/4 or 3-inch. Extended magazine tube, synthetic stock. A budget-accessible tactical pump with a full-size 3.5-inch chamber. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 6 Year introduced: 2016, Turkey Weight: 7 oz Overall length: 38.5" Status: Active Intended use: Home Defense, Tactical