If you own a RCBS Rock Chucker Supreme the Piggyback 4 Conversion unit will move you from a single-stage to 5-station, manual-indexing, progressive reloading in one step and moves your output from 50 rounds an hour to well over 400. Easy installation. Reloads all pistol (except 25 Auto) and rifle calibers up to 3.340" OAL. Five stations allow use of lube die, lock-out die, powder checker, or separate crimp die. Interchangeable die plate for fast and simple caliber conversion. Utilizes the RCBS APS Priming System. Simple Universal Case Retention System Allows easy removal and insertion of cases at each station. Self-cleaning shell plate holder. Includes bullet tray, loaded cartridge box and empty case box. Powder measure, dies and shell plate not included.
Our Hornady Black Powder Measures (#Hob050110) will fit and function with this conversion unit and allow you to use either smokeless or black powder.