Civilians can legally own a 3-round burst firearm under federal law, but only if that specific weapon was manufactured and registered in the federal machine gun registry before May 19, 1986. Any burst-fire weapon built after that date is off-limits to private buyers. The pre-1986 rifles that remain in circulation are treated as machine guns, sold through a strict federal transfer process, and typically priced at $25,000 or more.
Why a Burst Trigger Counts as a Machine Gun
Federal firearms law hinges on a single phrase: “more than one shot…by a single function of the trigger.” Under 26 U.S.C. § 5845(b), a machine gun is any weapon that fires more than one round automatically with one pull of the trigger.1Office of the Law Revision Counsel. 26 USC 5845 – Definitions The Gun Control Act uses the same definition.2Bureau of Alcohol, Tobacco, Firearms and Explosives. ATF Ruling 2006-2 – Classification of Devices Exclusively Designed to Increase the Rate of Fire of a Semiautomatic Firearm
A three-round burst fires three shots per trigger pull and then stops. That feels different from a belt-fed automatic, but the statute doesn’t count rounds beyond one. Three is more than one, so a burst-capable rifle sits in the same legal category as a fully automatic M60. Every rule that applies to one applies to the other.
The definition also reaches parts. Owning an auto sear, a lightning link, or any component designed exclusively to convert a semi-automatic rifle into a multi-shot-per-pull weapon counts as possessing a machine gun, even if the part is loose in a drawer.1Office of the Law Revision Counsel. 26 USC 5845 – Definitions
The May 19, 1986 Cutoff
The Firearm Owners’ Protection Act of 1986 included the Hughes Amendment, now codified at 18 U.S.C. § 922(o). It makes possessing or transferring a machine gun unlawful, with two exceptions: government agencies, and machine guns lawfully possessed before the law took effect on May 19, 1986.3Office of the Law Revision Counsel. 18 USC 922 – Unlawful Acts
No new machine guns can enter the civilian market. A manufacturer can build a burst-fire rifle today, but it may only be sold to the military or law enforcement. For a civilian, the only path to legal ownership is a weapon that was already listed in the National Firearms Registration and Transfer Record before that date. Supply is fixed and slowly shrinks as guns are lost, destroyed, or moved out of civilian hands.
What You’ll Pay and What’s Available
The pool of transferable machine guns in the United States is estimated at roughly 184,000, and that number only goes down. Prices reflect the scarcity. A transferable select-fire M16A1 currently sells for somewhere between $24,000 and $40,000, with original factory rifles priced above converted civilian models. Five figures is the floor for essentially any transferable machine gun in working order. Turning around and selling one later can take time, because the buyer pool is small.
How the Federal Transfer Works
Buying a pre-1986 machine gun goes through the ATF’s National Firearms Act Division, not the standard dealer background check used for ordinary rifles. The steps:
- File ATF Form 4, the Application for Tax Paid Transfer and Registration of Firearm, either electronically or on paper.
- Pay the $200 NFA transfer tax. The One Big Beautiful Bill Act eliminated this tax for suppressors, short-barreled rifles, short-barreled shotguns, and “any other weapons” in 2026, but machine guns were specifically excluded.
- Submit a photograph and electronic fingerprint card for each applicant.4Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Form 1 Submission External Guidance
- Notify your local chief law enforcement officer, providing the agency name, official’s name and title, and address.4Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Form 1 Submission External Guidance
- Pass the ATF’s enhanced background check, which goes further than the standard NICS check.
As of February 2026, individual eForm 4 applications are averaging about 10 days, while trust applications average around 26 days. Paper submissions take longer, and those figures move with ATF workload.5Bureau of Alcohol, Tobacco, Firearms and Explosives. Current Processing Times On top of the purchase price and the $200 tax, most buyers pay the transferring dealer a fee of roughly $75 to $100.
Individual Registration or Gun Trust
The firearm can be registered to you personally or to a legal entity such as an NFA gun trust. The choice matters more than most first-time buyers expect.
Registered as an individual, only you can legally possess the weapon. A spouse cannot take it to the range without you. No one else in your household may have access. If you die, your executor has to run a new Form 4 to move the firearm to your heir.
A gun trust lists multiple responsible persons who may all lawfully possess and use the firearm, which makes shared access simple and lets a named beneficiary inherit without probate. The tradeoff: every responsible person on the trust has to submit fingerprints, a photograph, and pass a background check up front.
State Law and Crossing State Lines
Federal registration does not override state law. Roughly a dozen states plus the District of Columbia prohibit civilian possession of machine guns even when the weapon is federally registered and pre-1986. Others restrict possession to narrow situations that effectively rule out recreational ownership. Moving to one of those states with a registered machine gun does not grandfather you in; the firearm has to be sold or stored out of state before you establish residency. Several states also independently prohibit burst trigger systems and similar devices.
Even when your home state allows the firearm, taking it across a state border requires advance federal approval. The registered owner must file ATF Form 5320.20 and receive written authorization before transporting a machine gun interstate. The approval covers a specific window, and if the firearm is not back at its original location by the listed date, a new application is required.6Bureau of Alcohol, Tobacco, Firearms and Explosives. Application to Transport Interstate or to Temporarily Export Certain National Firearms Act Firearms Skipping this step is a federal offense, even if the weapon is legal to possess in both states.
Penalties for Getting It Wrong
Federal law stacks two overlapping penalty tracks for unlawful machine gun possession:
- An NFA violation under 26 U.S.C. § 5871 carries up to 10 years in prison, a fine of up to $10,000, or both.7Office of the Law Revision Counsel. 26 USC 5871 – Penalties
- Knowingly violating the machine gun ban in § 922(o) carries up to 10 years under 18 U.S.C. § 924(a)(2).8Office of the Law Revision Counsel. 18 USC 924 – Penalties
The numbers escalate sharply when a machine gun is tied to a crime of violence or drug trafficking. Under 18 U.S.C. § 924(c), possessing a machine gun in connection with either offense carries a mandatory 30-year minimum in federal prison, and a second offense means life. Those sentences cannot run concurrently with the sentence for the underlying crime and cannot be reduced through probation.8Office of the Law Revision Counsel. 18 USC 924 – Penalties
Because the machine gun definition includes conversion parts, prosecutors don’t have to catch anyone firing the weapon. An auto sear or a drop-in conversion kit sitting on a shelf, with no host firearm anywhere nearby, is enough on its own to support a federal machine gun charge.
Legal Alternatives That Feel Like Burst Fire
Because pre-1986 burst rifles are so scarce and expensive, a market has grown up around devices that speed up a semi-automatic rifle without crossing the line into machine gun territory. The legal picture has moved in recent years.
Forced reset triggers are the leading example. An FRT uses the bolt carrier’s rearward movement to reset the trigger faster than a shooter’s finger normally could, but each shot still requires a separate trigger pull. After extended litigation, a federal court in Texas ruled in 2024 that forced reset triggers are not machine guns, and the ATF entered a 2025 settlement agreement confirming it would not enforce the machine gun statutes against eligible FRT owners. The settlement expressly excludes actual conversion devices like auto sears and lightning links.9Bureau of Alcohol, Tobacco, Firearms and Explosives. Rare Breed Triggers FRT-15s and Wide-Open Triggers WOTs Return
One caveat matters as much as the federal ruling: several states independently prohibit forced reset triggers and similar trigger-activating devices regardless of their federal status.9Bureau of Alcohol, Tobacco, Firearms and Explosives. Rare Breed Triggers FRT-15s and Wide-Open Triggers WOTs Return Legal under federal law does not mean legal in your state. Before buying a pre-1986 burst rifle, an FRT, or any NFA firearm, confirm what your state and local laws allow.