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I've never had it happen with a pistol, but I have had it happen with a .308 bolt rifle about 14 years ago. The rifle was a Ruger M77 MkII All Weather, and the ammunition was some old NATO 7.62 ball of Brazilian manufacture. I had 2 or 3 rounds in a row fail to fire - dimpled the primer, but no bang. The next one fired, but it also perforated the primer and vented out the gas escape hole. Since that rifle never failed to fire any other ammunition it was fed, regardless of manufacture, I attributed the problem to the ammo rather than the rifle.

I put thate stuff away. I still have it just because I didn't know what to do with it.