The 24" barrel is the solution of a different manufacturing process formulated by Mossberg to add to more correct shot placement when working with manufacturing unit produced ammunition. The barrel is topped with a vented rib and outfitted with a HIVIZ TriComp fiber-optic front sight. Warne has also released a https://sergiosrsia.popup-blog.com/28695339/mossberg-590-serial-number-location-fundamentals-explained