Use this short trim die toolhead when you are converting .223 / 5.56mm cases into .300 Blackout, as well as for processing 6.8 SPC and 7.62 x 39mm cases.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and reproductive harm. For more information, go to https://www.P65Warnings.ca.gov