A while ago when buying primers I bought a 1k box of murmon large pistol primers.they are no lead advertising and a green,white box.
I opened them and tried some and out of 20 rounds in a 45/70 had 7 that didn't go off or not hot. Enough to light the 2400 powder.needless to say I don't know where I got em to complain.
If any suggestions I would like to hear em.thanks