Hornady loves cardboard

[Chris]

Anyone notice? Even the smallest part in a plastic bag has a small piece of cardboard in the bag too.

Anyone know why?

Telepathically uploaded via Google implants.

 

[sieveboy]

board is moisture absorbent and contains an anti-rust compound. RCBS includes a disc in their dies (or used to)

 

[Royal]

It's for anti-moisture and rust prevention.

Also makes a really fun and challenging target.