Using a modest rifle primer in pistol ammunition is generally not recommended. Here are a few critical factors to think about: ### Dissimilarities in Style 1. *Primer Composition*: Little rifle primers commonly Possess a more durable cup than little pistol primers, intended to withstand increased pressures connected with rifle cartridges. https://winchester-400-primers-5097492.total-blog.com/employing-a-smaller-rifle-primer-in-pistol-ammunition-is-usually-not-recommended-56710573