Employing a smaller rifle primer in pistol ammunition is mostly not advised. Here are a few essential points to take into account: ### Variances in Layout 1. *Primer Composition*: Compact rifle primers commonly Possess a harder cup than small pistol primers, developed to withstand larger pressures connected to rifle cartridges. https://winchester-primers-europe02345.blogsuperapp.com/31912114/using-a-little-rifle-primer-in-pistol-ammunition-is-normally-not-advisable