Using a little rifle primer in pistol ammunition is mostly not recommended. Here are some crucial points to look at: ### Variances in Design 1. *Primer Composition*: Little rifle primers typically have a more difficult cup than smaller pistol primers, built to face up to greater pressures linked to rifle https://winchester-small-pistol-p05950.alltdesign.com/utilizing-a-compact-rifle-primer-in-pistol-ammunition-is-usually-not-suggested-50983939