Rules and Regulations Library

Title Description Category Document Type
All FFLs-Dec2012-Open Letter-For Importers the Availability of ATF Form 4587 (ATF F 5330.4) on Pay.gov (948 KB)
This open letter contains information about the availability of ATF F 4587 (ATF F 5330.4), Application to Register as an Importer of U.S. Munitions Import List Articles, on Pay.gov.
Firearms Open Letter
Nebraska-Oct1998-Open Letter-Permanent Provisions of the Brady Law (119 KB) The purpose of this letter is to advise Federal firearms licensees in Nebraska of their responsibilities under the permanent provisions of the Brady law. Firearms Open Letter
atf-ruling-2018-1.pdf (90 KB)
ATF is revoking several guidance documents; specifically 7 rulings, 1 procedure, and 59 open letters.  The following documents listed, in the order in which they were issued:  Revenue Ruling 69-114; ATF Ruling 75-30; ATF Ruling 7-13; ATF Ruling 77-25; ATF Ruling 77-26; ATF Ruling 80-22; ATF Ruling 80-23; ATF Procedure 80-7; 53 Open letters dated February 1994; Open Letter to all federally licensed importers and manufacturers dated August 22, 2001; Open Letter to All Federal firearms and explosives licensees dated November 20, 2001; Open Letter to all Federal Explosives Licensees and Permittees dated February 12, 2003; Open Letter to all FFLs dated August 31, 2006; Open Letter to all FFLs dated November 4, 2008; and Open Letter to Washington FFL's dated August 12, 2011.
Resource Center Ruling
2011-4 - Pistols Configured from Rifles; Rifles Configured from Pistols (83 KB)
Unassembled parts and configurations of parts of pistols, rifles, handguns or other weapons that result in a  firearm as defined under the NFA, 26 U.S.C. 5845(a)(3); 26 U.S.C. 5845(a)(3) and (a)(4); 26 U.S.C. 5845(a)(3) and (a)(4); and 26 U.S.C. 5845(a)(4).
Firearms Ruling
1968-368 - Classification of the Spitfire Carbine (239 KB)

This ruling clarifies that the Spitfire Carbine, manufactured by the Spitfire Manufacturing Co. is a firearm that comes within the purview of the National Firearms Act.

Firearms Ruling
1961-203 - Classification of a hand gun (261 KB)

This ruling clarifies that a handgun of the Luger or semi-automatic Mauser type, having a barrel less than 16 inches in length with an attachable shoulder stock is a firearm that comes within the purview of the National Firearms Act.

Firearms Ruling
1961-45 - Classification of a hand gun (228 KB)

This ruling clarifies that a hand gun of the Luger or semi-automatic Mauser type and the Fiala Arms and Equipment Company .22 caliber pistol, having a barrel less than 16 inches in length with an attachable shoulder stock is held to be a short-barreled rifle that comes under the purview of the National Firearms Act.

Firearms Ruling
1959-340 - Classification of Unique Model L (86 KB)

This ruling clarifies that the Unique, Model L, pistol and rifle attachment, a combination pistol and rifle is not a firearm within the purview of the National Firearms Act’; however, it is subject to the Federal Firearms Act.

Firearms Ruling
1958-417 - Classification of the U.S. Army M14 (91 KB)

This ruling clarifies that the M14 "rifle" which operates either fully automatically or semi-automatically on a selective basis, is a basic design and function of a “machinegun” as defined in Section 5848(2) of the Internal Revenue Code of 1954, and, accordingly, subject to the provisions of the NFA.

Firearms Ruling
1957-34 - Classification of a 4-inch diameter barrel extension (231 KB)

Classification of a 4-inch diameter barrel extension

Firearms Ruling
1959-341 - Classification of the Dardick Handgun (96 KB)

This ruling clarifies that the Dardick Handgun, by inserting the basic mechanism into a one piece rifle unit, the gun becomes a .22 caliber rifle with a barrel of over 16 inches.  The Dardick Handgun is not a firearm within the purview of the NFA; however; it is subject to the Federal Firearms Act.

Firearms Ruling
1956-581 - Classification of a weapon made from a wooden rat trap (62 KB)

This ruling clarifies that a weapon made from a wooden rattrap, affixed with a short threaded barrel chambered for a pistol cartridge and which is fired by a wire trigger release is a firearm classified as an “any other weapon” and within the purview of the NFA.

Firearms Ruling
1956-548 - Classification of a "Bridger" 45 caliber Shoulder Line Throwing Gun (84 KB)

This ruling clarifies that under certain conditions a “Bridger” 45 is a firearm within the purview of the NFA.

Firearms Ruling
1956-470 - Classification of Miniature Cannon (59 KB)

This ruling clarifies that a miniature cannon with a 20-gauge barrel and certain other component parts in its assembled condition is not a “firearm” as defined in section 5848 of the Internal Revenue Code.

Firearms Ruling
1956-597 - Classification of a .38 caliber "pen" gun (176 KB)

This ruling clarifies that a .38 caliber "pen" gun and a 20-gauge weapon ostensibly designed as tear gas devices are classified as firearms within the purview of the National Firearms Act.

Firearms Ruling
1956-47 - Classification of the "Project-O-Life" (164 KB)

This ruling advises that the "Project-O’LiFe," ostensibly designed to fire two .38 caliber gas shells simultaneously and to serve as a flashlight is a firearm within the purview of the National Firearms Act and the Federal Firearms Act.

Firearms Ruling
1956-28 - Classification of a "Molgun" (104 KB)

This ruling advises that a "Molgun" made of an aluminum casing, an exposed firing mechanism, and a removable insert chamber of 12-gauge bore is a firearm within the purview of the National Firearms Act.

Firearms Ruling
1955-569 - Classification of a submarine spear fishing device (147 KB)

This ruling clarifies when a device ostensibly designed for submarine spearfishing but capable of chambering and firing .22 caliber rimfire ammunition would be considered a firearm within the purview of the National Firearms Act.

Firearms Ruling
1956-195 - Classification of a Remington rolling-block carbine (60 KB)

This ruling advises that a Remington rolling-block carbine 7mm Mauser caliber converted into a handgun type weapon chambered for the .257 Roberts rifle cartridge is a firearm defined in the .Internal Revenue Code.

Firearms Ruling
1955-341 - Classification of a 20 gauge gun having two barrels (130 KB)

This ruling clarifies that a 20-gauge gun having two barrels pointing in opposite directions, each of which is threaded to a centerpiece containing a firing mechanism and may be concealed on a person, is a firearm within the purview of the National Firearms Act.

Firearms Ruling
1954-519 - Classification of a plastic "pistol" (122 KB)

This ruling advises that a plastic "pistol" is not a firearm under the Federal Firearms Act although designed to expel a projectile by the action of an explosive.

Firearms Ruling
1954-389 - Removal of firearms from a foreign trade zone (228 KB)

This ruling clarifies that removal of firearms from a foreign trade zone for any purpose other than reshipment to a place outside the jurisdiction of the U.S. constitutes importation as of the time they were originally brought within the limits of the U.S.

Firearms Ruling
1954-372 - Concealed cane gun (150 KB)

A .410 gauge gun concealed in a cane, or a pistol grip handgun with 8-inch chambered for a .410 gauge shotgun shell, are firearms within the purview of the NFA.  A flare pistol is not a firearm if capable of firing only pyrotechnic shells or cartridges designed for use with it.

Firearms Ruling
1955-528 - Classification of crank-operated gear-driven Gatling guns (127 KB)

This ruling clarifies at what point a crank-operated gear-driven Gatling guns would fall or would not fall within the purview of the National Firearms Act.

Firearms Ruling
1954-247 - Device for trapping animals (75 KB)

A device for trapping animals that fires a special plastic cartridge but is not capable of firing projectiles is not a firearm within the Federal Firearms Act.

Firearms Ruling
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