Using a small rifle primer in pistol ammunition is usually not proposed. Below are a few significant details to consider: ### Variances in Design 1. *Primer Composition*: Modest rifle primers ordinarily Possess a tougher cup than modest pistol primers, intended to face up to higher pressures linked to rifle cartridges. https://winchestersmallrifleprime91234.blogprodesign.com/53118469/using-a-modest-rifle-primer-in-pistol-ammunition-is-generally-not-advisable