If I'll, your knowing is incorrect. There is not any such issue a 'difficult' or 'tender' primers. Mil spec primers are magnum grade and less sensitive to your firing pin strike. 38 or maybe the .45, the strain raise most likely is not going to lead to you any noticable https://215-federal-primers-for-s02345.oblogation.com/31243780/examine-this-report-on-federal-gm150m-primers