Using a small rifle primer in pistol ammunition is generally not advised. Below are a few critical factors to look at: ### Dissimilarities in Layout one. *Primer Composition*: Modest rifle primers commonly Use a more challenging cup than modest pistol primers, made to resist greater pressures linked to rifle cartridges. https://rafaelprmha.blogolize.com/employing-a-small-rifle-primer-in-pistol-ammunition-is-usually-not-proposed-70645689