I read it on the Internet, it must be true! https://thegunzone.com/what-calibers-use...e-primers/
In another article by the same author 1680 is used in big magnum cartridges.
In another article by the same author 1680 is used in big magnum cartridges.

![[-]](https://www.alpharomeo15.org/images/roundo/collapse_collapsed.png)
