The 24" barrel may be the product or service of a brand new manufacturing course of action developed by Mossberg to add to more accurate shot placement when employing manufacturing facility manufactured ammunition. The barrel is topped with a vented rib and outfitted with a HIVIZ TriComp fiber-optic front sight. https://psilocybinmushroomchocola77653.onesmablog.com/detailed-notes-on-mossberg-590a1-vs-mossberg-590-69473515