Utilizing a compact rifle primer in pistol ammunition is usually not recommended. Below are a few critical factors to contemplate: ### Distinctions in Layout 1. *Primer Composition*: Smaller rifle primers generally have a tougher cup than small pistol primers, designed to face up to larger pressures connected with rifle cartridges. https://edwinqfqcm.full-design.com/using-a-compact-rifle-primer-in-pistol-ammunition-is-generally-not-advisable-73976315