Home-Built Firearm Laws by state map including DC and Puerto Rico, November 2026 - Minuteman University.com

Ghost Guns

Educational information, not legal advice. Gun laws change often and vary by state, county and city. Check current law where you are and talk to a firearms attorney before acting. Full disclaimer

Last reviewed November 1, 2026

Ghost Guns: Where It Stands in 2026

“Ghost gun” is a political label, not a legal term. Gun-control groups use it for firearms without serial numbers, usually guns built at home from unfinished frames, parts kits or 3D printing. Gun-rights advocates prefer “home-built” or “privately made firearm” (the term ATF itself uses) and point out that personal gunsmithing is an American tradition older than the Constitution. Serial numbers were not required on most guns until the Gun Control Act of 1968, and federal law still does not require an individual to serialize a gun made for personal use.

Folding these back up is not required. For more gun maps, see 2A Gun Law Maps

No State Restriction (34): Alabama, Alaska, Arizona, Arkansas, Florida, Georgia, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, West Virginia, Wisconsin, Wyoming

Serial Number or Partial Rules (3): Connecticut, Maryland, Massachusetts

Ban on Unserialized Guns or Kits (15): California, Colorado, Delaware, District of Columbia, Hawaii, Illinois, Nevada, New Jersey, New York, Oregon, Puerto Rico, Rhode Island, Vermont, Virginia, Washington

How this map is researched, from statute to state note: How We Research.

At the federal level, ATF’s Frame or Receiver rule (effective August 24, 2022) treats unfinished frames and kits that can readily be completed as firearms, so commercial sellers must serialize them and sell them through licensed dealers with background checks. It also requires licensed dealers to add serial numbers to privately made firearms they take into inventory. The Supreme Court upheld the rule against a facial statutory challenge in Bondi v. VanDerStok on March 26, 2025 (7-2). In August 2026, Chief Judge Reed O’Connor of the Northern District of Texas held key parts of the rule unconstitutional under the Second and Fifth Amendments, but only as to the parties, including Second Amendment Foundation members, and the specific products in that case.

The states are where the restrictions bite hardest. As of August 2025, 15 states plus D.C. regulated unserialized guns or unfinished frames in some form. Maine joined in January 2026 with a law requiring serial numbers on all firearms. These laws vary widely: some ban unserialized firearms outright, some require owners to obtain a state-issued serial number or register home-built guns, and some regulate sales of unfinished frames and receivers.

Key Facts

  • 1968: Gun Control Act requires serial numbers on commercially made firearms; personal manufacture is not covered.
  • August 24, 2022: ATF Frame or Receiver rule takes effect.
  • March 26, 2025: Bondi v. VanDerStok upholds the rule against a facial challenge.
  • August 2026: N.D. Texas holds parts of the rule unconstitutional; relief limited to the parties.
  • States regulating unserialized guns (as of August 2025, per the Duke Center for Firearms Law): California, Colorado, Connecticut, Delaware, Hawaii, Illinois, Maryland, Massachusetts, Nevada, New Jersey, New York, Oregon, Rhode Island, Vermont and Washington, plus D.C.
  • January 2026: Maine’s serial-number law (LD 1126) became law without the governor’s signature.
  • 2025: Virginia’s governor vetoed a ghost gun ban in May 2025; Pennsylvania’s Supreme Court agreed to hear a state preemption challenge to Philadelphia’s local ordinance.

What Gun Owners Should Know

  • Check your state and local law. In several states, an unserialized firearm that was legal when made must now be serialized, registered or surrendered.
  • Where your state requires a serial number, follow the state process exactly and keep the paperwork.
  • If you sell or transfer a home-built gun, state law may require a dealer transfer and serialization, and making guns to sell without a license is a federal crime.
  • Prohibited persons may not build or possess firearms by any method.
  • All firearms must still comply with the Undetectable Firearms Act and the NFA.
  • Related pages: 80% Firearm Kits, 3D Printed Guns and Court Cases.

Across the Gun Websites Network

Sources

Background and Resources

State Gun Law Maps 2021 Home Built Firearm RestrictionA genuine 2021 original. Unlike a ghost gun, this map has a known maker: a human, before the robots haunted the place.