The RCBS Rock Chucker Supreme Auto Prime is a tube-fed priming unit designed to mount on the Rock Chucker Supreme press and streamline the priming stage of reloading. It eliminates the need to handle individual primers by converting one-at-a-time priming to a continuous tube-fed system. The unit is intended for reloaders who prioritize efficiency and safer primer handling during batch reloading.
Key Specifications
- The priming system type is Tube-fed priming system.
- The construction material is Steel.
- The overall dimensions are 2.15 X 3.30 X 14.95, with height 2.1500, width 3.3000, and length 14.9500.
- The size/finish is listed as For Rockchucker Supreme press.
- The primer storage capacity is 100-primer capacity.
- The unit uses Push bar operation for primer advancement.
- The package Includes large & small primer pickup, feed tubes, and primer seat plugs.
- The assembly features a Safety shield to reduce exposure during operation.
- The device Converts one-at-a-time priming to a tube-fed system and eliminates handling of primers.
For reloaders using the Rock Chucker Supreme platform, this Auto Prime unit reduces repetitive handling and speeds the priming step without changing the fundamentals of single-stage reloading. Its steel construction and included accessories make it a practical choice for those seeking a more efficient, consistent priming workflow.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




