Works with cartridges .38 Special / .357 Mag; Easy to use with no adjustments; Modular construction allows as much or as little automation as the operator desires with no adjustments; Cartridge changeover in seconds, including primer size with no adjustments; Breech Lock quick change feature in all four positions with no adjustments; Automatic universal case feeder; Through ram primer disposal with convenient built-in primer disposal tube; Includes four colored smart lock bushings; Includes large and small Safety Prime and priming arms; Allows safe dispensing of any brand and size primer; Includes ergonomic, wood grip roller handle; Includes hex wrench for caliber changes with built in storage rack for tools; Bin and bracket to catch completed rounds