Using a tiny rifle primer in pistol ammunition is mostly not proposed. Here are some essential points to take into consideration: ### Dissimilarities in Design one. *Primer Composition*: Smaller rifle primers usually Have a very tougher cup than small pistol primers, intended to resist larger pressures connected to rifle cartridges. https://winchester-primers-europe90134.dbblog.net/4747587/employing-a-smaller-rifle-primer-in-pistol-ammunition-is-generally-not-advised