Case Tumbling Media | Brass Tumbler Media

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Reloading Equipment Case Cleaning & Preparation Case Cleaning Case Tumbling Media

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If you're reloading Ammo, having a supply of brass tumbler media on hand is a must. It's essential for brass cleaning to restore your shells to a near-new shine.

What to use as tumbling media?

The three most common brass tumbler media are corn cob, walnut hull (aka walnut shell, walnut media), and stainless steel pins. The different brass cleaning media may be treated or untreated and can be used in combination with certain liquids for optimized results.

All of the big names in reloading offer brass tumbler media, including:

How long does case tumbler media last?

Walnut hull or corn cob media don't have a definitive life cycle. Some reloaders will wait until the media takes about twice as long to tumble, while others will throw it out after each batch. A common practice is to "recharge" it by replacing a third to half of the existing media with fresh stuff to lengthen the lifespan. The clearest sign that you need to replace your tumbling media is when it's just not polishing at all anymore. This means all of the rough edges have been rounded off and are no longer effective.

Stainless steel tumbling media will last indefinitely, but can only be used in a rotary tumbler and never in a vibratory tumbler.

Buy Case Tumbling Media from OpticsPlanet!

Shop at OpticsPlanet for brass tumbler media and make case cleaning a snap! You can learn more from our in-house experts and enthusiasts in our ever-growing library of Ammo Guides, too. Start saving money by reloading your own ammo today!