Mossberg 590A1 Compact Tactical in 12 gauge with 18.5-inch barrel and mil-spec receiver. Ghost-ring sights, heavy-wall barrel, no-frills tactical configuration. Type: Shotgun Action: Pump Caliber: 12 Gauge Capacity: 7 Year introduced: 2000, USA Weight: 7 oz Overall length: 38.5" Status: Active Intended use: Law Enforcement