The 24" barrel could be the products of a fresh manufacturing course of action developed by Mossberg to contribute to far more exact shot placement when using factory created ammunition. The barrel is topped with a vented rib and outfitted with a HIVIZ TriComp fiber-optic front sight. Engineers at O.File. https://tysonftjxk.blogdomago.com/28541352/mossberg-590a1-night-sights-no-further-a-mystery