Not so. I also have used Cheddites, maybe 40,000, and now for reasons have gone to Win primers and have no problems with primers falling out. Two of my old SxS hammer shotguns [1873 Remington and a Parker made sometime in the 1880s ] will pierce Cheddite primers but not Win primers. I don't feel like paying for new firing pins, so back to the Win's.
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Paul Harm
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