The 24" barrel would be the products of a brand new manufacturing course of action made by Mossberg to add to much more accurate shot placement when making use of manufacturing facility manufactured ammunition. The barrel is topped with a vented rib and outfitted with a HIVIZ TriComp fiber-optic front https://blem-psa-pa-15-5-56-ar-1520864.webdesign96.com/29648637/dp-12-shotgun-upgrades-fundamentals-explained