Why might competition shooters replace factory Glock barrels with aftermarket barrels that have a rifling design featuring sharper edges? Why might competition shooters replace factory Glock barrels with aftermarket barrels that have a rifling design featuring sharper edges? To enhance accuracy in long-range shooting. To prevent the buildup of excess fouling from lead projectiles. To improve the overall durability of the barrel. To reduce recoil and improve firearm control