The court record
The NFA in court
Read the questions and decisions in the major NFA cases, alongside the Second Amendment rulings that influenced later challenges. Open each entry for its effect and current status.
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U.S. Supreme Court
- The question
- Could Congress tax NFA dealers even if the tax discouraged them from doing business?
- The decision
- The Court upheld the dealer tax. A revenue-producing tax remained within Congress’s taxing power even when it also discouraged the business being taxed.
Why this case matters
The ruling gave early support to the NFA’s use of taxes to regulate firearms. The case concerned the dealer tax specifically.
Status: Conviction affirmed.
Read the historical context ↗U.S. Supreme Court
- The question
- Did the Second Amendment protect the interstate transport of an unregistered short-barreled shotgun?
- The decision
- The Court reversed the lower court because the record contained no evidence connecting that weapon to the preservation or efficiency of a well-regulated militia.
Why this case matters
Miller became a leading early Second Amendment precedent, though the defendants were unrepresented at the Supreme Court and the record was limited. It did not establish a blanket rule protecting all military firearms.
Status: Judgment reversed; case sent back to the lower court.
Read the historical context ↗U.S. Supreme Court
- The question
- Could the government require an owner to register a firearm when the filing could provide evidence against him?
- The decision
- Under the law then in force, a person who properly invoked the Fifth Amendment had a defense to failure-to-register and related charges for possessing an unregistered firearm.
Why this case matters
Congress rewrote registration later in 1968 to remove the demand that unlawful possessors incriminate themselves.
Status: Conviction reversed. Congress later amended the law.
Read the historical context ↗U.S. Supreme Court
- The question
- Had Congress fixed the NFA’s self-incrimination problem?
- The decision
- The Court held that the revised registration system satisfied the Fifth Amendment. The prosecution involved possession of unregistered hand grenades.
Why this case matters
The ruling upheld Congress’s 1968 revision. Its discussion of what a defendant had to know concerned grenades; later cases, including Staples, addressed the features that bring a gun under the NFA.
Status: Dismissal of the indictment reversed.
Read the historical context ↗U.S. Supreme Court
- The question
- Did packaging a pistol with a conversion kit amount to making a short-barreled rifle under the NFA?
- The decision
- The Court upheld the judgment for the manufacturer. The plurality resolved the statute’s ambiguity in the manufacturer’s favor under the rule of lenity.
Why this case matters
The decision limited how the NFA could be applied to the kit before the Court. Other combinations of parts still required their own analysis.
Status: Decided
Read the historical context ↗U.S. Supreme Court
- The question
- Could an owner be convicted without knowing his rifle had the features of a machine gun?
- The decision
- Prosecutors had to prove that the owner knew the rifle had the characteristics that made it a machine gun under the NFA.
Why this case matters
The required knowledge concerned the weapon’s physical characteristics. Prosecutors did not have to prove that the owner knew the registration law.
Status: Decided
Read the historical context ↗U.S. Supreme Court
- The question
- Does the Second Amendment protect an individual’s right to keep a handgun at home for self-defense?
- The decision
- The Court recognized that individual right and described limits to it.
Why this case matters
Heller changed the constitutional basis for challenges to gun restrictions. It left the NFA in force.
Status: Decided
Read the historical context ↗U.S. Supreme Court
- The question
- Does the right recognized in Heller also protect people against state and local gun laws?
- The decision
- The Fourteenth Amendment makes the right enforceable against state and local governments.
Why this case matters
State and local restrictions became subject to the Second Amendment protection recognized in Heller.
Status: Decided
Read the historical context ↗U.S. Supreme Court
- The question
- Could New York require a special need before allowing someone to carry a handgun in public?
- The decision
- The Court struck down the requirement and adopted a test based on the Second Amendment’s text and the nation’s historical tradition of firearm regulation.
Why this case matters
People challenging NFA provisions could now ask courts to apply Bruen’s historical test.
Status: Decided
Read the historical context ↗U.S. District Court, Northern District of Texas
- The question
- Did ATF lawfully adopt its 2023 stabilizing-brace rule?
- The decision
- The district court set the rule aside.
Why this case matters
The administrative-law ruling removed ATF’s rule while leaving the underlying NFA in place.
Status: Rule vacated
Read the historical context ↗U.S. Supreme Court
- The question
- Did the bump stocks in this case count as machine guns under §5845(b)?
- The decision
- They fell outside the statutory definition. ATF had exceeded its authority by classifying them as machine guns.
Why this case matters
The decision limited ATF to the definition Congress had enacted. The Court did not decide a Second Amendment claim.
Status: Decided
Read the historical context ↗U.S. Supreme Court
- The question
- Could the government temporarily disarm someone subject to a qualifying domestic-violence restraining order?
- The decision
- Temporary disarmament was constitutional where a court had found that the person posed a credible threat to another person’s physical safety.
Why this case matters
Courts could compare modern restrictions with historical laws without requiring an exact historical match.
Status: Decided
Read the historical context ↗U.S. Court of Appeals, Ninth Circuit
- The question
- Did the NFA’s silencer-registration requirements violate the Second Amendment or fail to give adequate notice of what the law required?
- The decision
- The Ninth Circuit held that silencers fall outside the Second Amendment under its precedent. It also rejected the vagueness challenge and upheld the convictions.
Why this case matters
Two weeks later, the Fifth Circuit reached a different conclusion about whether silencers are protected arms. Both courts nevertheless upheld the convictions before them.
Status: Convictions affirmed
Read the historical context ↗U.S. Court of Appeals, Fifth Circuit
- The question
- Did requiring a silencer to be registered violate the Second Amendment?
- The decision
- The Fifth Circuit held that silencers are protected arms, but binding circuit precedent required it to reject the challenge to registration. It upheld the conviction.
Why this case matters
The court’s view of silencers differed from the Ninth Circuit’s. Its decision left registration in place, setting up a disagreement over Second Amendment protection rather than the later dispute over Congress’s taxing power.
Status: Conviction affirmed
Read the historical context ↗U.S. District Court, Northern District of Texas
- The question
- Could Congress’s taxing power still support these NFA requirements after the tax fell to zero?
- The decision
- The court blocked specified requirements for the untaxed categories through a permanent injunction protecting the plaintiffs and other people covered by the order.
Why this case matters
The government let its appeal deadline pass. ATF later chose to extend nonenforcement nationwide through a separate policy.
Status: Judgment entered; no government appeal
Read the historical context ↗U.S. District Court, Eastern District of Missouri
- The question
- What happens to the challenge to the NFA after the tax cut and the Texas ruling?
- The decision
- The October 6 order scheduled further proceedings; it did not decide the challenge on its merits.
Why this case matters
The October 22 status conference is scheduled to address the Texas judgment and issues concerning the plaintiffs.
Status: Pending as of October 20, 2026
Read the historical context ↗Case status checked October 20, 2026. Each entry describes the relief the court granted and identifies questions still pending. The linked opinion or order gives the full decision.
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