Hornady Cowboy Reloading dies have been specially designed for cowboy action and cast bullet reloaders. These dies feature the same great benefits that Hornady dies are known for. This bullet seating die is specially designed for reloaders choosing to reload lead bullets. This special seater helps to ensure that ammunition is loaded without deforming lead bullets. This die come packaged in a plastic storage box with a Sure-Loc Rings, Shellholder sold separately. Notes:Seating die features seater adjustment screw, built in crimper, locking retainer spring, as well as, a floating bullet seater alignment sleeve and seating stem, which pre-aligns the bullet and case before seating occurs.