Using a tiny rifle primer in pistol ammunition is mostly not proposed. Here are some crucial factors to look at: ### Differences in Design 1. *Primer Composition*: Small rifle primers typically have a harder cup than small pistol primers, designed to face up to better pressures affiliated with rifle cartridges. https://winchester-large-pistol-p48431.theobloggers.com/37588991/employing-a-little-rifle-primer-in-pistol-ammunition-is-usually-not-advisable