Using a smaller rifle primer in pistol ammunition is generally not advised. Below are a few important points to think about: ### Distinctions in Structure one. *Primer Composition*: Compact rifle primers usually Have a very tougher cup than small pistol primers, built to resist greater pressures connected with rifle cartridges. https://winchester400primers500045309.liberty-blog.com/31536262/employing-a-tiny-rifle-primer-in-pistol-ammunition-is-mostly-not-proposed