I've been handloading for more than 30 years. Up until two years ago, and while shooting thousands of rounds per year, I've never had a failure to fire, not one. In the last two years, I've had four failures where the primer in the failed round appeared to have been struck hard enough to have detonated it. In each case, I tried the failed round a second time in a different firearm and it still would not fire. This has happened with primers from three different manufacturers. If my loading techniques have changed at all, I've become even more particular about methods and details. I'm beginning to believe that quality control among the manufacturers has fallen into the crapper. Does this appear to be the case to anybody else?