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Questions and Answers

3-D Printing Technology of Firearms

It is unlawful for any person to produce a firearm as proscribed in 18 U.S.C. 922(p).

 "It shall be unlawful for any person to manufacture, import, sell, ship, deliver, possess, transfer, or receive any firearm—

(A) that, after removal of grips, stocks, and magazines, is not as detectable as the Security Exemplar, by walk-through metal detectors calibrated and operated to detect the Security Exemplar; or

(B) any major component of which, when subjected to inspection by the types of x-ray machines commonly used at airports, does not generate an image that accurately depicts the shape of the component. Barium sulfate or other compounds may be used in the fabrication of the component."

The term "any other weapon" means any weapon or device capable of being concealed on the person from which a shot can be discharged through the energy of an explosive, a pistol or revolver having a barrel with a smooth bore designed or redesigned to fire a fixed shotgun shell, weapons with combination shotgun and rifle barrels 12 inches or more, less than 18 inches in length, from which only a single discharge can be made from either barrel without manual reloading, and shall include any such weapon which may be readily restored to fire. Such term shall not include a pistol or a revolver having a rifled bore, or rifled bores, or weapons designed, made, or intended to be fired from the shoulder and not capable of firing fixed ammunition.

Yes, an "any other weapon" category is an NFA classification which requires an individual to register the item with ATF.

The applicant must submit ATF Form 7(5310.12)/7CR(5310.16), Application for Federal Firearms License, with the appropriate fee, in accordance with the instructions on the form to ATF. This form is for all FFL types, including type 03 Collector of Curios and Relics. An application packet may be obtained by contacting the ATF Distribution Center. If you have more than one Responsible Person (RP), you must also submit a Supplement to ATF Form 7/7CR, for each additional RP.

How to apply for an FFL

Any person "engaged in the business" as a manufacturer must obtain a license from ATF.

 The term "engaged in the business" means— (A) as applied to a manufacturer of firearms, a person who devotes time, attention, and labor to manufacturing firearms as a regular course of trade or business with the principal objective of livelihood and profit through the sale or distribution of the firearms manufactured.

ATF makes every effort to keep abreast of novel firearms technology and firearms trafficking schemes.

When ATF receives credible information regarding the illegal possession of firearms, it will investigate and take appropriate action. If individuals neglect to follow Federal laws and regulations surrounding firearms, ATF will investigate their activities.

An individual may generally make a firearm for personal use. However, individuals engaged in the business of manufacturing firearms for sale or distribution must be licensed by ATF. Additionally, there are certain restrictions on the making of firearms subject to the National Firearms Act.

ATF enforces Federal firearms laws and, currently, these laws do not limit the technology or processes that may be used to produce firearms. However, ATF enforces existing statutes and investigates any cases in which technological advances allow individuals to avoid complying with these laws.

Yes. ATF routinely collaborates with the firearms industry and law enforcement to monitor new technologies and current manufacturing trends that could potentially impact the safety of the public.

Last Updated: January 21, 2026

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