Using a little rifle primer in pistol ammunition is generally not recommended. Here are a few important points to think about: ### Dissimilarities in Layout one. *Primer Composition*: Compact rifle primers usually Have a very tougher cup than small pistol primers, built to resist larger pressures connected to rifle cartridges. https://archerjidxp.blog-mall.com/31962102/using-a-small-rifle-primer-in-pistol-ammunition-is-mostly-not-suggested