Use a grain mill to make your own tumbling media.

[orkan]

Some of you may know that I've been using rice to tumble my brass with fantastic success for many years. The article on that is found here: http://www.primalrights.com/library/articles/clean-brass-with-rice

The only issue I've run into is that the rice is often too large and gets stuck in .17 and .20 caliber case necks. The cases pack with rice but it's ultra-difficult to get out.

I've solved this problem by getting a grain mill and running a coarse grinding op on a batch of rice. This single batch of ground rice will be good for many thousands of cases! You could use this same process to make your own custom media out of nearly anything compatible with your grain mill.

 

[Justin Crossley]

I've never used rice but I've heard about it and will be trying it out.

 

[LostArra]

Is that a burr grinder like a coffee mill?
I've got a manual (hand crank) mill that uses rollers. I use it for crushing barley for home brewing beer but yours looks faster.

 

[orkan]

Is that a burr grinder like a coffee mill?

I'm not sure the type of action it uses. Komo's website might fill you in. I'm far from an expert at grain mills.

 

[tdhanses]

I’m going to give the rice a try, doesn’t look like I need to mill it for 6.5cm and 300wsm.

 

[orkan]

I’m going to give the rice a try, doesn’t look like I need to mill it for 6.5cm and 300wsm.

No, only .17 and .20 cal have needed the milling in my experience.