Utilizing a tiny rifle primer in pistol ammunition is mostly not proposed. Here are some crucial points to take into consideration: ### Dissimilarities in Layout 1. *Primer Composition*: Small rifle primers usually have a more challenging cup than small pistol primers, developed to resist increased pressures affiliated with rifle cartridges. https://winchester-41-small-rifle86173.spintheblog.com/31756245/using-a-smaller-rifle-primer-in-pistol-ammunition-is-normally-not-advisable