Using a small rifle primer in pistol ammunition is generally not advisable. Here are several vital details to take into account: ### Discrepancies in Structure one. *Primer Composition*: Smaller rifle primers commonly Use a more challenging cup than smaller pistol primers, made to resist larger pressures linked to rifle cartridges. https://winchester-400-primers-5052074.jaiblogs.com/58397036/using-a-small-rifle-primer-in-pistol-ammunition-is-usually-not-advised