Employing a tiny rifle primer in pistol ammunition is normally not advisable. Below are a few important factors to take into account: ### Variations in Structure 1. *Primer Composition*: Compact rifle primers normally Use a harder cup than tiny pistol primers, developed to withstand higher pressures linked to rifle cartridges. https://winchester-small-pistol-p35689.total-blog.com/utilizing-a-compact-rifle-primer-in-pistol-ammunition-is-mostly-not-advised-56701696