Setting headspace with Mighty Armory’s full length rifle sizing dies couldn't be easier. With a simple turn of the die up or down you can set headspace in minutes. Demonstrating with .223 rem / 5.56 NATO die here, all Mighty Armory's rifle sizing dies work the same exact way, from 6mm ARC to 308 Win to 30-06 Springfield and every caliber in between.

Mighty Armory offers rifle Sizing Die & Flare Expander Set for .223 Rem and 30 caliber ammo.