Untraceable Firearms: ATF Demonstrates Receiver Blank Manufacturing
Is ATF aware of the receiver blanks, commonly referred to as 80% receivers?
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.
Can functioning firearms made from receiver blanks be traced?
ATF successfully traces crime guns to the first retail purchaser in most instances. ATF starts with the manufacturer and goes through the entire chain of distribution to find who first bought the firearm from a licensed dealer. Because receiver blanks do not have markings or serial numbers, when firearms made from such receiver blanks are found at a crime scene, it is usually not possible to trace the firearm or determine its history, which hinders crime gun investigations jeopardizing public safety.
Have firearms made from unmarked receiver blanks been recovered after being used in a crime?
Yes, firearms that began as receiver blanks have been recovered after shooting incidents, from gang members and from prohibited people after they have been used to commit crimes.
When does a receiver need to have markings and/or serial numbers?
Receivers that meet the definition of a “firearm” must have markings, including a serial number. See 27 CFR § 478.92 (Firearm manufacturers marking requirements).
What is an “80%” or “unfinished” receiver?
“80% receiver,” “80% finished,” “80% complete,” “unfinished receiver” are all terms referring to an item that some may believe has not yet reached a stage of manufacture that meets the definition of firearm frame or receiver found in the Gun Control Act of 1968 (GCA). These are not statutory terms or terms ATF employs or endorses.
Are there restrictions on who can purchase receiver blank?
The GCA does not impose restrictions on receiver blanks that do not meet the definition of a “firearm.”
Are some items being marketed as non-firearm unfinished” or “80%” receivers actually considered firearms?
Yes, in some cases, items being marketed as unfinished or “80%” receivers do meet the definition of a “firearm” as defined in the GCA. Persons who are unsure about whether an item they are planning to buy or sell is considered a firearm under the GCA should contact ATF’s Firearms and Ammunition Technology Division (FATD).