Utilizing a smaller rifle primer in pistol ammunition is usually not advisable. Below are a few critical details to look at: ### Variations in Layout one. *Primer Composition*: Small rifle primers usually Possess a more difficult cup than tiny pistol primers, created to resist greater pressures connected with rifle cartridges. https://winchestersmallpistolprim57822.onesmablog.com/utilizing-a-compact-rifle-primer-in-pistol-ammunition-is-normally-not-advisable-71921905