The Mossberg 590A1 is the most durable of our pump action shotguns, meeting MIL-SPEC 3443G, with its heavy-walled barrel, metal trigger guard and safety, clean out mag tube, and Parkerized finish. Its hearty construction and proven endurance make it a prime choice for home defense applications.FeaturesMIL-SPEC ConstructionHeavy-walled BarrelMetal Trigger Guard and SafetyClean-out Magazine TubeDrilled and Tapped ReceiverParkerized FinishStandard features include dual extractors, steel-to-steel lockup, top-mounted ambidextrous safety, twin action bars, and anti-jam elevator