Ammo is not haz mat.....nor is primed brass
To be legal, ammo and primed brass must be marked with ORM-D label.
The final day to use the Other Regulated Materials-D (ORM-D) classification for US highway shipments is December 31, 2020. The ORM-D designation for hazardous materials packages shipped by ground
can no longer be used on January 1, 2021.In most cases the same materials, in the same quantities, in the same packaging, will continue to qualify for relief under US Department of Transportation’s (DOT) limited quantity regulations after ORM-D is phased out. You should refer to the DOT Chemical table to know if your materials are eligible to be shipped as limited quantity.
Limited quantity shipments are typically excepted from UN specification packaging, hazmat labels, shipping papers, and hazmat placards.
What will change is the label you affix to your packages.