The 24" barrel is definitely the solution of a fresh manufacturing process formulated by Mossberg to add to extra exact shot placement when working with manufacturing facility developed ammunition. The barrel is topped with a vented rib and outfitted with a HIVIZ TriComp fiber-optic front sight. Warne has also released https://chanceinnnm.idblogmaker.com/28755499/mossberg-590-serial-number-location-fundamentals-explained