HORNADY UNPRIMED CASESMade In the USA 223 WSSM 50 PACK 5PK CS FEATURES: Tight Wall Concentricity: helps to ensure proper bullet seating in both the case & the chamber of your firearm Uniform Case Wall Thickness: manufactured to extremely tight tolerances to ensure this critical element is as consistent as possible Consistent Weight & Capacity: Consistent pressures, velocity & accuracy Caliber: . 223 Winchester Super Short Magnum 50 pack 5 packs case Caliber: 223 WSSM