# Small Arms Ammunition regulated as Class 1 explosive — Postal shipping restrictions by item category

For Small Arms Ammunition regulated as Class 1 explosive, carrier is USPS; restriction type is prohibited; scope is all mail; conditions is Ammunition regulated as Class 1 explosive fired from pistol, revolver, rifle, or shotgun; associated primers, blank cartridges, and propellant powder are prohibited, recorded from its source on 2026-08-04.

- **Item category:** Small Arms Ammunition regulated as Class 1 explosive _(unconfirmed — we could not tie this to the quote below)_
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** prohibited _(our reading, not quoted from the source)_
- **Scope:** all mail _(our reading, not quoted from the source)_
- **Conditions:** Ammunition regulated as Class 1 explosive fired from pistol, revolver, rifle, or shotgun; associated primers, blank cartridges, and propellant powder are prohibited

## What the source says

> Ammunition that is regulated as a Class 1 explosive and designed to be fired from a pistol, revolver, rifle, or shotgun, as well as associated primers and blank cartridges (including those designed for tools) and propellant powder for use in any firearm, is prohibited from mailing.

## Source

- https://pe.usps.com/text/pub52/pub52c3_020.htm

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).