The Winchester SXP Extreme Defender with 18-inch barrel, adjustable pistol-grip stock, fiber-optic front sight, and door-breacher muzzle device. The most tactically configured SXP variant in the standard lineup. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 2015, USA Weight: 6.5 oz Overall length: 38.5" Status: Active Intended use: Tactical, Home Defense, Law Enforcement