The Hornady Cartridge Catcher is to be used in conjunction with a Hornady Lock-N-Load AP Progressive reloading press.  On the final reloading station such as bullet seating/crimping ammunition is ejected from the press in its finished form and falls into the cartridge catcher.  The Hornady Cartridge Catcher is a large size ideal for longer rifle calibres or larger volumes of pistol calibre ammunition.