
Lyman Corn Cob Plus Media LY-M6 is a premium-grade dry tumbling media designed for polishing and cleaning brass cartridge cases without damaging case integrity. Supplied in a 4.5 lb (2.04 kg) container, this treated media is made from ground corncob infused with a proprietary polish that delivers a bright, smooth finish—ready for reloading.
Ideal for use in vibratory tumblers, Lyman’s Corn Cob Plus is engineered to be tough on carbon fouling but gentle on case surfaces, making it suitable for everything from .223 REM to .30-06 Springfield and beyond. It’s an excellent choice for high-volume reloaders, rural shooters, and anyone who wants to save time at the bench while maintaining consistent brass quality.
Made in the USA and trusted by reloaders for decades, this media helps reduce wear on dies and extends brass life—keeping your reloading setup efficient and reliable.
SPECIFICATIONS
Media Type: Treated Corn Cob
Weight: 4.5 lb (2.04 kg)
Use: Brass cleaning and polishing
Application: Vibratory tumblers
Case Compatibility: Suitable for pistol and rifle brass
Container: Resealable tub
Part Number: LY-M6
Country of Origin: USA