Description
RCBS Formula 1 Walnut Shell Dry Media is a treated walnut-shell polishing media formulated for cleaning cartridge cases prior to reloading. It is ground to a 12/12 sieve size and is supplied in a 5-pound pack to fit common reloading workflows. The media works with RCBS Sidewinder equipment and with most vibratory case tumblers to remove dirt and debris from brass cases efficiently.
Key Specifications
- Material is walnut shell for gentle polishing action.
- Ground to a 12/12 sieve size for consistent cleaning performance.
- Packaged as a 5 lb box suitable for tumble cleaning cycles.
- Compatible with Sidewinder and vibratory case cleaners including many competitor units.
- Treated with special oxides to enhance cleaning and polishing.
- Style listed as treated walnut in product attributes.
- Color identified as walnut media in product details.
- Dimensions reported as 5.65 X 7.30 X 7.30 in the product specification table.
- Box weight recorded as 5.35 in product attributes.
- Manufactured and marketed as made in the United States.
Formula 1 Walnut Shell Media provides a straightforward, effective option for reloaders who need consistent, repeatable case cleaning without introducing aggressive abrasives. Its 12/12 sieve sizing and treated finish help produce clean, polished brass ready for resizing and reloading operations while working reliably in common tumbling systems.





Reviews
There are no reviews yet.