When it comes to detachable magazine pump-action shotguns, the Mossberg 590M has the balance, construction, and a mag durability you need. Along with mag-fed convenience, the 590M features positive steel-to-steel lockup, twin action bars, drilled and tapped receivers, and an ambidextrous safety.Features12 Gauge with 10-Round detachable magazineSteel ambidextrous magazine release button and housingStabilizing ribs on the magazine engage the receiver for secure lockup with mounted magazineDrilled and tapped receiverStandard features include dual extractors, steel-to-steel lockup,top-mounted ambidextrous safety, and twin action bars