Shop online for RCBS Rock Chucker Supreme Master Single Stage Press Kit at $279.99. The Rock Chucker Supreme Master Single Stage Press Kit is designed for a lifetime high-quality toolkit. Its feature includes easy operation, ambidextrous handle, good strength, and versatility. RCBS reloading kit has been updated to include the Universal Case Loading Block, M500 Mechanical Scale, Uniflow Powder Measure and much more tools under single kit. The Rock Chucker Supreme is full of packed with useful features.