The most popular reloading press just got better! The Rock Chucker Supreme press has been lengthened to allow easy loading of today's longer cartridge designs and renamed the Rock Chunker Supreme. With the same easy operation, ambidextrous handle, outstanding strength and versatility, the Rock Chucker Supreme is ideal for the beginner and pro alike. It can also be upgraded to a progressive loader with the addition of a Piggyback -4.