You can ship ammo { primed brass] USPS. They will put a label on it . Just declare what is in the package. Just my two cects Tommy McIs it all good to ship primed brass. Im about to post a ad for some odd ball brass my father in law had and 800 of them are factory primed. Trying to help the mother in law out and selling bunch of reloading stuff i dont need for her.
Actually not required for primed brass, but nothing wrong with doing so (no extra cost). I'm taking some today to UPS, and this summary covers what is required:Be sure to use a ORM-D label or the black diamond label.