Using a smaller rifle primer in pistol ammunition is generally not recommended. Here are a few critical factors to think about: ### Discrepancies in Style 1. *Primer Composition*: Smaller rifle primers usually Use a more durable cup than little pistol primers, designed to resist better pressures connected to rifle cartridges. https://large-rifle-primers-winch73716.blogthisbiz.com/37852151/using-a-modest-rifle-primer-in-pistol-ammunition-is-normally-not-advisable