Using a small rifle primer in pistol ammunition is generally not recommended. Here are some important points to consider: ### Differences in Design 1. *Primer Composition*: Small rifle primers typically have a harder cup than small pistol primers, designed to withstand higher pressures associated with rifle cartridges. This can lead https://winchester-250-magnum-pri36789.amoblog.com/using-a-small-rifle-primer-in-pistol-ammunition-is-generally-not-recommended-53321490