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Machine Gun Ban (1986)
LEGAL
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Machine Gun Ban (1986)

No civilian possession of machine guns manufactured after May 19, 1986 under the Firearm Owners Protection Act.

Legal Details

Hughes Amendment / Machine Gun Ban

In Force
Identification
Citation
18 U.S.C. § 922(o)
Code Sections
  • 18 U.S.C. § 922(o)
  • 26 U.S.C. Chapter 53
Jurisdiction
Territory
United States (Federal)
Enacted By
99th United States Congress
Administered By
Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF)
Timeline
Signed
May 19, 1986
EffectiveMay 19, 1986
Key Provisions
  • Prohibited civilian possession of machine guns manufactured after May 19, 1986
  • Froze the civilian machine gun registry permanently as of the enactment date
  • Machine guns manufactured before May 19, 1986 remain transferable to civilians through NFA process
  • Law enforcement, military, and licensed dealers with proper SOT can still acquire post-1986 machine guns
  • Type 07 FFLs with Class 2 SOT can manufacture new machine guns; Class 3 dealers can acquire post-samples for law enforcement demonstrations
  • Post-1986 dealer sample machine guns must be destroyed or transferred to law enforcement when dealer surrenders license
  • Created permanent two-tier system: 'transferable' (pre-1986, civilian-legal) and 'post-sample' (post-1986, restricted to FFLs/LE/military)
Applicability
Applies ToCivilians seeking to acquire, possess, manufacture, or transfer machine guns. Does not apply to law enforcement agencies, military, or properly licensed FFLs with Special Occupational Tax for official purposes.
Exemptions
  • Law enforcement agencies acquiring machine guns for official use
  • Military acquisition and possession
  • Type 07 FFLs with Class 2 SOT for manufacturing purposes
  • Class 3 dealers acquiring post-samples for law enforcement demonstrations
  • Limited exception for military bring-backs from WWII and earlier conflicts with proof of legal importation
PenaltiesPossession of an unregistered machine gun is a federal felony punishable by up to 10 years imprisonment and substantial fines. Manufacturing a new machine gun as a civilian, including converting semi-automatic firearms, also carries federal felony penalties.
Related Laws
Legislative History
1986Rep. William Hughes (D-NJ) introduced amendment to Firearm Owners Protection Act during final vote
May 19, 1986Firearm Owners Protection Act of 1986 signed into law with Hughes Amendment included

Machine Gun Ban (1986)

civilian restrictions on automatic weapons

From The Boise Gun Club Handbook

This article is for educational purposes only and does not constitute legal advice. Federal firearms laws are complex and change over time. Always consult with qualified legal counsel and verify current regulations with the ATF before making any decisions regarding .

On May 19, 1986, Congress slammed the door shut on civilian ownership--sort of. The Hughes Amendment didn't ban machine guns outright, but it froze the civilian registry forever, turning every pre-1986 full-auto into a collectible worth more than most people's cars.

  • The setup: Rep. William Hughes from New Jersey managed to slip this poison pill into the Firearm Owners Protection Act--which is ironic since FOPA actually loosened most other gun restrictions from 1968
  • The rule: Machine guns made before May 19, 1986 can still be owned by civilians who jump through all the NFA hoops. Everything after that date? Off limits forever

Here's the reality check--before 1986, you could walk into a gun store, fill out your Form 4, pay your $200 tax stamp, and walk out with a brand new M16 for about $1,200. Same process as buying a suppressor today.

What The Registry Freeze Actually Didedit

Four M16 rifle variants arranged vertically: M16A1, M16A2, M4 carbine, and M16A4, showing evolution of the platform.
M16A1, M16A2, M4 carbine, and M16A4 rifles displayed for comparison.Offspring 18 87 (CC BY-SA 3.0)

Basic economics kicked in hard. When you cut off supply but demand stays steady, prices go through the roof.

Price Impact on Civilian Market

That $1,200 M16 from 1986? Try $25,000 to $40,000 today. A MAC-10 that sold for $400 back then goes for $8,000-$12,000 now.

The civilian market has roughly 175,000-200,000 transferable machine guns, and that number never gets bigger.

Item1986 Price2024 PricePrice Increase
M16 Full-Auto$1,200$25,000-$40,0002,000-3,300%
MAC-10$400$8,000-$12,0002,000-3,000%
Uzi$800$15,000-$25,0001,900-3,100%
Thompson M1A1$2,500$35,000-$50,0001,400-2,000%

Every time one gets destroyed, damaged beyond repair, or disappears into an evidence locker, the remaining ones get a little more valuable. It's artificial scarcity at its finest.

Key legislative milestones affecting civilian machine gun ownership

Transferable vs. Post-Sample Classifications

This created two classes of machine guns that every dealer will explain to you. Transferable means pre-1986 and available to civilians with deep pockets. Post-sample or dealer sample means post-1986 and only available to FFLs with the right paperwork, law enforcement, and military.

Who Still Gets New Machine Gunsedit

The ban only applies to us regular folks. Law enforcement agencies can still buy new machine guns for official use. Military gets whatever they want, obviously.

Licensed Dealer Exceptions

Licensed dealers with the proper Special Occupational Tax can acquire post-1986 machine guns as dealer samples, but there are strict rules:

  • Type 07 FFLs with Class 2 SOT can manufacture new machine guns for military and law enforcement contracts
  • Class 3 dealers can get post-samples for law enforcement demonstrations and rentals
  • When they surrender their license those post-1986 guns get destroyed or go to law enforcement--never to civilians
License TypeCan AcquireCan ManufactureCivilian Transfer
Type 07 FFL + Class 2 SOTYes (post-samples)Yes (for LE/Military)No
Class 3 Dealer + SOTYes (demos/rentals)NoNo
Law EnforcementYes (official use)NoNo
MilitaryYes (unlimited)YesNo
Private CitizensPre-1986 onlyNoYes (pre-1986 only)

Post-1986 machine gun acquisition flowchart

Military Bring-Back Loophole

There's a narrow exception for military bring-backs from WWII and earlier conflicts, but that involves proving the gun was legally imported decades ago. Don't count on finding a legal bring-back Thompson in grandpa's attic.

The Penalties Will Ruin Your Lifeedit

Possession of an unregistered machine gun is a federal felony carrying up to 10 years in prison and substantial fines. The ATF doesn't negotiate on this stuff.

Manufacturing a new machine gun as a civilian--even by converting a semi-auto--creates an unregistered machine gun. Federal prison is federal prison.

If You're Actually Shoppingedit

What this means for you: You're looking at $8,000 minimum to get into the cheapest transferable machine gun, plus the $200 tax stamp, plus potentially 6-12 months waiting for ATF approval. Most decent ones cost $15,000-$40,000.

Budget RangeWhat You Can GetConditionTypical Examples
$8,000-$12,000Entry-levelFair to GoodMAC-10, MAC-11, M11/9
$15,000-$25,000Mid-rangeGoodUzi, HK94 conversions
$25,000-$40,000High-endExcellentM16, M4, quality conversions
$40,000+Premium/RareMint/CollectorSTG-44, early M16s, rare variants
Due Diligence Requirements

Before you spend that kind of money, get your ducks in a row. Verify registration status through your Class 3 dealer--never take the seller's word for it.

Work with reputable NFA dealers who understand what's at stake here.

Ongoing Costs and Considerations

Budget for ammunition because full-auto eats ammo faster than you think. Consider storage and insurance--you're buying something worth more than most cars.

The ATF Form 4 process is the same as any NFA item, but one mistake with a $30,000 machine gun hurts a lot more than a mistake with a $300 suppressor.

Dangerous Myths That'll Get You Arrestededit

People believe some seriously dangerous nonsense about machine gun laws:

  • "You can convert semi-autos legally" - Wrong, that creates a new machine gun
  • "Police trade-ins can be sold to civilians" - Wrong, post-1986 guns never transfer to civilians
  • "The ban has a sunset clause" - Wrong, the Hughes Amendment is permanent
  • "Kits and 80% lowers are different" - Wrong, the receiver manufacturing date is what counts

I've seen guys at confidently explaining how to "legally" convert . Don't listen to that garbage.

The ATF has heard every creative interpretation you can imagine, and none of them work.

The bottom line: The Hughes Amendment created artificial scarcity that turned machine guns from working firearms into expensive collectibles. If you've got the money and want the experience, go for it--but understand you're paying collector prices for the privilege of owning a piece of frozen-in-time American firearms history. Don't expect this law to change anytime soon, which means prices will likely keep climbing as the finite supply slowly shrinks.

Resourcesedit

  • ATF National Firearms Act FAQ - Official guidance on machine gun regulations
  • 18 U.S.C. § 922(o) - The Hughes Amendment statute
  • ATF Form 4 (Application for Tax Paid Transfer and Registration of Firearm)
  • National Firearms Act (26 U.S.C. Chapter 53) - Underlying federal law
  • ATF Industry Operations Division - For technical questions about NFA compliance

Last Updated: 2026-01-15

See Alsoedit

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Gun LawsFederal LawNFAATFFFLSuppressorsSBR
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This is not legal advice

This guide provides general information about federal and state firearms laws based on publicly available statutes. Laws change frequently and vary significantly by state. Always verify current laws in your jurisdiction. Consult a qualified attorney for legal advice on your specific situation. When in doubt, contact local law enforcement or state police.

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