Utilizing a modest rifle primer in pistol ammunition is generally not encouraged. Here are some essential points to look at: ### Variations in Design 1. *Primer Composition*: Tiny rifle primers generally Have a very more difficult cup than small pistol primers, developed to withstand higher pressures related to rifle cartridges. https://winchester-primers-german08272.blog-kids.com/31617791/using-a-compact-rifle-primer-in-pistol-ammunition-is-usually-not-advised