https://eatonrapidsjoe.blogspot.com/2018/12/reloading-for-223-remington-556x45mm.html
Eaton Rapids Joe: Reloading for the .223 Remington - 5.56X45mm NATO
Federal brass, Remington 7 1/2 primers. Factory chamber, not SAAMI min chamber. We had our family Christmas this evening. I took some ...
eaton rapids joefor thereloading