Hornady Loader Lock-N-Load Ap Progressive PressWith a single pull of the handle, you'll feel the difference between this high performance machine and ordinary reloading presses. You'll feel the smooth responsiveness, the rugged construction, and most of all, the power! The Power Pac Linkage System literally multiplies and accelerates the leverage you apply to the handle. And since the AP features automatic indexing, priming and ejection, every pull of the handle give you a precisely loaded round.