Ppc, not offered. Have to modify a 223 by opening on a mill, or bushing a 473 bolt. 223 would be the more desirable method in my opinion. Company out of Canada that does 223 ppc 473 535 Tikka bolts, but I don't know on importing.What bolt face do I need (tikka) and mag for a 6arc? Anyone know off the top of their heads?