Up major, the barrel shows a 10mm huge, ventilated rib with a pink working day-glow component at the muzzle for easy target acquisition. The rib as well as supports are really thick-set And that i feel that Mossberg could have shaved a little weight off in this article, given that https://940-mossberg-thunder-ranc92435.blogs-service.com/57438209/mossberg-590-long-barrel-an-overview