The primers I have vary by brand as much as .002 in diameter and primer pockets vary in diameter also, even when the cases are new.
They also vary in diameter from lot to lot. As far as the primers I happen to have at the moment the WLR's are the smallest at 0.210 and one lot of CCI 200's are the largest at 0.212. Federals are in the middle. There is a huge difference in seating pressure between those sizes.
Last edited by TX35W; 01/09/24.
