Tight Wall Concentricity : Concentricity helps to ensure proper bullet seating in both the case and the chamber of your firearm Higher concentricity also aids in a uniform release of the bullet on firing for optimal velocity and accuracy Uniform Case Wall Thickness : Benchrest shooters have long known that uniform case wall thickness is vital to accuracy More Reloads per Case : Hornady treats their brass as the foundation for an accurate cartridge Consistent Weight and Capacity : Every single Hornady case is virtually identical to other Hornady cases in the same caliber