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Phxdog · April 22, 2007, 11:13 AM

Yesterday I shot 50 rounds of reloads in my 500 mag. Of those 50, I had 2 rounds that failed to fire. Never had that happen before. The firing pin depression was the same on all rounds fired. Same brand of primers (CCI #200 Large Rifle) I have always used.

In searching my mind for possible causes, I remembered that I had prepared and primed those 50 cases, then put them away (no powder or bullet) into a small paper bag. I finished loading them about 2 weeks later. I've never done that before.

Is it possible that the primers 'went bad' while sitting that long? All of the cases still had a light residual case lube from the decapping/forming process; could that have an impact? Anybody have a thought?

April 22, 2007, 11:13 AM	#1
Phxdog Senior Member Join Date: January 18, 2006 Location: Phoenix Posts: 236	Two Misfires in 500 Magnum Yesterday I shot 50 rounds of reloads in my 500 mag. Of those 50, I had 2 rounds that failed to fire. Never had that happen before. The firing pin depression was the same on all rounds fired. Same brand of primers (CCI #200 Large Rifle) I have always used. In searching my mind for possible causes, I remembered that I had prepared and primed those 50 cases, then put them away (no powder or bullet) into a small paper bag. I finished loading them about 2 weeks later. I've never done that before. Is it possible that the primers 'went bad' while sitting that long? All of the cases still had a light residual case lube from the decapping/forming process; could that have an impact? Anybody have a thought?