Watchmen engaged in guarding the property of the United States, a state, territory, or district.Officers and employees of enforcement agencies of the United States.USPS employees authorized by the Chief Postal Inspector.Officers of the United States or of a state, territory, or district, whose official duty is to serve warrants of arrest or commitment.

Officers of the National Guard or militia of a state, territory, or district.Officers of the Army, Coast Guard, Air Force, Navy, Marine Corps, or Organized Reserve Corps.Subject to 432.22, handguns may be mailed by a licensed manufacturer of firearms, a licensed dealer of firearms, a licensed importer of firearms, or an authorized agent of the federal government or the government of a state, territory, or district, only when addressed to a person in one of the following categories for use in the person’s official duties, and upon filing the required affidavit or certificate: Mailers are also subject to applicable restrictions by governments of a state, territory, or district.

Parts of handguns are mailable, except for handgun frames, receivers or other parts or components regulated under Chapter 44, Title 18, U.S.C.

Mailers must comply with all applicable state and local regulations.

Air guns (see 431.6) that do not fall within the definition of firearms under 431.1 and are capable of being concealed on a person are mailable, but must include Adult Signature service under DMM 503.8.

Firearms meeting the definition of a handgun under 431.2, which are certified by the curator of a municipal, state, or federal museum that exhibits firearms to be curios or relics of museum interest, may be accepted for mailing between governmental museums without regard to the restrictions provided for handguns in 432.21 through 432.24 and Exhibit 432.25.

Firearms meeting the definition of a handgun under 431.2 and the definition of curios or relics under 27 CFR 478.11 may be mailed between curio and relic collectors only when those firearms also meet the definition of an antique firearm under 431.3.

Handguns and other firearms capable of being concealed on the person are nonmailable unless mailed between the parties listed in this section, after the filing of an affidavit or statement described in 432.22 or 432.24, and are subject to the following:

Except for shipments between licensed dealers, manufacturers, or importers, all regulated firearms must be mailed using a USPS product or Extra Service that provides tracking and signature capture at delivery.

Mailable matter must be properly and securely packaged within the general packaging requirements in DMM 601.1-7.

No markings of any kind that indicate the nature of the contents may be placed on the outside wrapper or container of any mailpiece containing firearms.

Short-barreled rifles or shotguns that can be concealed on the person are nonmailable.

The Postal Service may require the mailer to open parcels containing firearms or air guns or give written certification that the weapon is unloaded and not concealable.

1715, and all other all federal and state regulations and local ordinances affecting the movement of firearms. Mailers must comply with the Gun Control Act of 1968, all of the provisions of postal law in 18 U.S.C.

USPS Marketing Mail Eligibility Decision Tree.

Designing Letter and Reply Mail (PUB 25).

Duty to inform state