Guys thanks so much. David I will absolutely take you up on the headspace guage offer. Ive been looking for some on the internet and couldn't find any. The perplexing thing is my dad has a JDJ CZ .300 Whisper as well and the same thing is happening there. The gun triggers the ammo 19 times out of 20 but I missed a bobcat this past week because the same thing happened twice in a row. My firing pin has plenty of length but I think a stronger spring may help, I just have no idea where to find that. DonT, I have just put some Wilson Combat Oil lube on the spring and firing pin and fired some primed brass. It worked fine every one I shot but again Ill shoot 20 rds in the field and the 21st will fail, so its a hard test to apply. David, fyi your brass does this significantly less than resized corbon brass. Have no idea why, but it seems your brass is better. Anyway thanks so much to you all and any further direction is much appreciated.
-Clay
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