It is generally not recommended to interchange magnum primers with conventional primers without the need of very careful thing to consider of the load requirements. Magnum primers offer a hotter and longer-length flame to ignite powder in large or intensely loaded cartridges much more successfully. – American Reloading expressly disclaim https://raymondnpook.blogproducer.com/37684382/helping-the-others-realize-the-advantages-of-large-rifle-magnum-primers