It is generally not advisable to interchange magnum primers with conventional primers without the need of very careful consideration from the load requirements. Magnum primers provide a hotter and for a longer period-duration flame to ignite powder in large or closely loaded cartridges far more correctly. – American Reloading expressly https://ricardobvvpk.bloggerbags.com/36190363/new-step-by-step-map-for-cci-200-primers