The Mossberg 590A1 SPX features ghost ring sights, M1913 Picatinny rails, SpeedFeed synthetic stock, and a tactical M-LOK-compatible forend. Parkerized finish. Military-spec construction. One of the most accessory-ready defensive pump shotguns from the factory. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 6 Year introduced: 2009, USA Weight: 7.5 oz Overall length: 38.5" Status: Active Military use: Yes Intended use: Military, Tactical, Law Enforcement, Home Defense