Hornady manufactures it's reloading components to the same strict standards as the cases they manufacture for their line of manufactured ammunition. Their reputation for precision has earned them a top spot as a favorite among the home reloading enthusiast's. Hornady performs a battery of test to ensure that you get more reloads per case. These tests include checking the wall concentricity and wall thickness as well as pressure testing. If you add it all up Hornady is your clear choice for top quality reloading components.