The 24" barrel is definitely the product or service of a completely new manufacturing process designed by Mossberg to add to more exact shot placement when making use of factory developed ammunition. The barrel is topped with a vented rib and outfitted with a HIVIZ TriComp fiber-optic front sight. Warne https://psa-blem-pa-1543063.link4blogs.com/51237940/the-mossberg-590-a1-sling-diaries