Using a smaller rifle primer in pistol ammunition is normally not encouraged. Here are some critical details to look at: ### Variances in Structure one. *Primer Composition*: Tiny rifle primers commonly have a tougher cup than smaller pistol primers, designed to face up to larger pressures related to rifle cartridges. https://winchesterlargerifleprime35678.bloggerswise.com/38394665/utilizing-a-compact-rifle-primer-in-pistol-ammunition-is-usually-not-recommended