Federal primer cups are soft. I do not know if it makes any difference in handguns, but they aren't advisable for use in a Garand. "While there might be some small discrepancies in technical specs for that Uncooked brass from just one maker to another, none of it is hardened; https://winchesterprimersinstockf57801.blogchaat.com/31894211/the-ultimate-guide-to-federal-gm205m-primers