Let's get it straight from the source.
UPS has posted on their website:
http://www.ups.com/content/us/en/re...es/firearms.html?srch_pos=1&srch_phr=firearms
Shipping Firearms
Special Procedures for Shipping Firearms
Use These UPS Services for Your Firearm Shipment
UPS accepts packages containing firearms (as defined by Title 18, Chapter 44, and Title 26, Chapter 53 of the United States Code) for transportation from and between licensed importers, licensed manufacturers, licensed dealers, and licensed collectors (as defined in Title 18, Chapter 44 of the United States Code), law enforcement agencies of the United States (or of any department or agency of the United States), law enforcement agencies of any state or department agency (or political subdivision of any state), from and between persons not otherwise prohibited from shipping firearms by federal, state or local law, and when such shipment complies with all federal, state and local laws applicable to the shipper, recipient, and package.
Handguns, as defined by 18 U.S.C. § 921,will be accepted for transportation only via UPS Next Day Air Services, specifically, UPS Next Day Air® Early A.M.®, UPS Next Day Air®, and UPS Next Day Air Saver®. (Note: UPS Express CriticalSM Service is not available for firearms).
UPS accepts firearm parts for shipment, provided the part is not a "firearm" as defined under federal law; the contents of the package cannot be assembled to form a firearm; and the package otherwise complies with federal, state, and local law. (Note: Receivers or frames of a firearm, firearm mufflers and silencers are considered "firearms" and are accepted for transportation only if shipped in accordance with UPS's requirements for shipping firearms.)
UPS does not accept automatic weapons, including machine guns, for shipment.
Firearms (including handguns) and firearm parts are not accepted for shipment internationally.
UPS ReturnsSM Services are not available for packages containing firearms.
Follow These Packing Requirements
Packages containing handguns must be separated from other packages tendered to UPS for delivery.
All firearms are to be shipped in new corrugated packaging which meets the UPS Single Wall Box Strength Guidelines. Medium and large UPS boxes may be used for smaller shipments being shipped via UPS Express service.
All firearms are to be packaged in accordance with UPS Packaging Guideline Specifications.
Ammunition must be shipped separately from packages that contain firearms (including handguns).
Ammunition will be transported only when packaged and labeled in compliance with 49 C.F.R. § 172 regarding hazardous materials shipments, and must be shipped in accordance with the UPS Guide for Shipping Ground and Air Hazardous Materials.
About Documentation and Labeling
The shipper must use Delivery Confirmation Adult Signature Required service for each package containing a firearm, including a handgun, and affix a UPS label requesting an adult signature upon delivery.
The labeling and outer box markings on all firearms shipments should not identify the contents as containing a firearm. Labeling, including the shipper's and consignee's abbreviated names on the shipping label or air shipping document, must be non-descriptive.
Getting Your Firearm Shipment to UPS
Firearms (including handguns) may be shipped only through a UPS Scheduled Pickup Account (specifically, Daily Pickup, Daily On-Route Pickup, UPS Smart Pickup, and Day-Specific Pickup), or through a UPS Customer Center (counters at UPS operational facilities). Note: Firearms (including handguns) are not accepted for shipment via, UPS Drop Boxes, UPS On-Call PickupSM, or at locations of The UPS Store® or any third party retailer.
When you are shipping a package that contains a handgun, you must verbally notify the UPS driver or UPS Customer Center clerk.
See the terms and conditions in the UPS Tariff/Terms and Conditions of Service for information regarding firearm shipments.
FEDEX:
http://www.fedex.com/us/service-guide/terms/express-ground/
Firearms
FedEx Ground will transport and deliver firearms (excluding handguns) as defined by the United States Gun Control Act of 1968, between areas served in the U.S., but only between:
Licensed importers; licensed manufacturers; licensed dealers; licensed collectors; law enforcement agencies of the U.S. or any department or agency thereof; and law enforcement agencies of any state or any department, agency or political subdivisions thereof; or
Where not prohibited by local, state and federal law, from individuals to licensed importers, licensed manufacturers or licensed dealers (and return of same).
If your shipment contains firearms, select the Direct Signature Required or Adult Signature Required Delivery Signature Option, depending on the requirements of your shipment. See the Delivery Signature Options section for details. Firearms shipments are not eligible for signature release, driver release or indirect delivery.
FedEx Ground cannot ship or deliver firearms C.O.D.
Upon presenting the package for shipment,
the person tendering the shipment to FedEx Ground is required to notify FedEx Ground that the package contains a firearm. The outside of the package must not be marked, labeled or otherwise identify that the package contains a firearm.
The shipper and recipient must be of legal age as identified by applicable law.
The shipper and recipient are required to comply with all applicable government regulations and laws, including those pertaining to labeling. The Bureau of Alcohol, Tobacco, Firearms and Explosives can provide assistance.
FedEx Ground will transport small-arms ammunition when packed and labeled in compliance with local, state and federal law, and the Hazardous Materials section of this Service Guide. Ammunition is an explosive and must be shipped separately as hazardous materials. You agree not to ship loaded firearms or firearms with ammunition in the same package.
FedEx Ground will not accept for transport handguns, assembled or disassembled.
Well, the last sentence is a new one?