Employing a smaller rifle primer in pistol ammunition is generally not encouraged. Below are a few essential points to take into account: ### Discrepancies in Design 1. *Primer Composition*: Small rifle primers typically Possess a harder cup than smaller pistol primers, intended to resist increased pressures linked to rifle cartridges. https://largerifleprimerswinchest02356.mybjjblog.com/using-a-smaller-rifle-primer-in-pistol-ammunition-is-generally-not-advised-44525823