The federal injunction in Silencer Shop Foundation v. ATF changed the federal analysis for protected plaintiffs, members, and customers. It did not answer a separate Oklahoma question: can a person covered by that injunction possess an unregistered short-barreled rifle or short-barreled shotgun without committing a state felony?
The honest answer is that Oklahoma law leaves a gap. There is a plausible argument on each side, and no reported Oklahoma appellate decision has resolved the issue under the statute’s current language.
This article addresses that narrow state-law problem. The broader federal injunction analysis explains who may be protected, which National Firearms Act provisions were enjoined, and which federal duties remain.
Oklahoma Has Its Own SBR and SBS Felony Statute
Title 21, section 1289.18 defines a “sawed-off rifle” and “sawed-off shotgun” under Oklahoma law. Subsection C makes knowing possession or immediate control of either firearm a Class D2 felony.
Subsection D supplies the critical exception:
This section shall not apply to any firearm that is lawfully possessed under federal law or that is otherwise not regulated as a “firearm” pursuant to the National Firearms Act.
The statute does not say “registered.” It asks whether the firearm is “lawfully possessed under federal law.” That wording creates the present dispute.
The Argument That Injunction-Protected Possession Is Lawful
A covered person has a text-based argument that subsection D applies even without a conventional federal registration record.
The final judgment restrains the Bureau of Alcohol, Tobacco, Firearms and Explosives and the Department of Justice from enforcing specified registration, approval, making, transfer, and possession provisions against protected parties as to the untaxed firearm categories. Those categories include short-barreled rifles and short-barreled shotguns.
The Oklahoma exception asks whether possession is lawful under federal law. It does not expressly require a tax stamp, an approved Form 1, an approved Form 4, or an entry in the National Firearms Registration and Transfer Record. A covered person could therefore argue that possession is federally lawful while the injunction is operative because the federal provisions that would ordinarily make that person’s possession unlawful cannot be enforced against that person.
There is another point in that person’s favor. Federal definitions do not, by themselves, create a criminal prohibition. The National Firearms Act defines short-barreled rifles and short-barreled shotguns, but the operative criminal exposure generally comes from provisions such as 26 U.S.C. § 5861. If the applicable possession and registration predicates are enjoined as to a particular person, that person can argue Oklahoma should not recreate the same federal disability through a state-law cross-reference.
That is a serious argument. It is not a settled answer.
The Argument That Oklahoma Still Requires Conventional Federal Compliance
An Oklahoma prosecutor could read subsection D more narrowly.
The federal judgment restrains specified federal defendants. It does not repeal the National Firearms Act, declare an unregistered firearm registered, or bind Oklahoma district attorneys. It also does not enjoin every federal provision that can affect an SBR or SBS.
For example:
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26 U.S.C. § 5861(j) separately addresses interstate transportation, delivery, or receipt of an unregistered NFA firearm;
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26 U.S.C. § 5842(a) and 27 C.F.R. § 479.102 impose identification and marking duties on makers;
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18 U.S.C. § 922(a)(4) separately restricts interstate transportation of an SBR or SBS without Attorney General authorization; and
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18 U.S.C. § 922(b)(4) and 27 C.F.R. § 478.98 impose a separate authorization requirement on a licensed dealer’s retail delivery of an SBR or SBS.
A prosecutor could argue that “lawfully possessed under federal law” means possession through the ordinary federal approval and registration process, not merely possession by a person who has an injunction defense against selected federal officials. Under that reading, a covered person may have protection from federal enforcement and still fail Oklahoma’s exception.
That position also has practical force: Oklahoma officers and prosecutors may expect an approved federal document when deciding whether subsection D applies. The federal judgment does not tell them what substitute proof to accept.
No Oklahoma Appellate Court Has Supplied the Missing Rule
As of August 15, 2026, no reported Oklahoma appellate decision appears to decide whether an unregistered SBR or SBS is “lawfully possessed under federal law” when the possessor is protected by a party-specific federal injunction.
That means neither side should be presented as settled law. A federal membership or customer theory may be strong enough to contest federal enforcement and still be an uncertain defense to an Oklahoma felony charge. The cost of testing that issue in a criminal case is far too high to treat the ambiguity casually.
Form 1 and Form 4 Remain the Most Verifiable Route
The conventional approved Form 1 or Form 4 process remains the clearest documentary way to show that a particular SBR or SBS is registered to the maker or transferee under the National Firearms Act. That does not mean registration is necessarily the only possible reading of subsection D. It does mean registration avoids making the state-law exception depend entirely on an untested injunction theory.
The live district docket, last updated on August 15, shows no later stay and no notice of appeal after the August 5 final judgment. That can change. ATF also has not published case-specific instructions explaining how injunction-dependent SBR or SBS transactions should be processed or recorded.
For dealers, the problem is sharper. Even if both the dealer and buyer fall within the federal injunction’s party scope, § 922(b)(4) and § 478.98 were not enjoined. A covered dealer should not assume association membership supplies the separate Attorney General authorization required for a retail SBR or SBS delivery.
A Narrow Legislative Fix Would Remove the Guesswork
The Oklahoma Legislature can solve this problem without taking a position on the merits of the federal litigation. Section 1289.18(D) could be amended to protect possession by a person covered by a valid, operative federal judgment that restrains enforcement of the otherwise applicable federal registration or possession requirement—so long as the person and firearm comply with every other applicable federal and state law.
That would tell Oklahoma gun owners, dealers, prosecutors, and courts what proof counts. It would also preserve the state’s separate control over conduct outside the federal judgment.
Until then, a person should not treat federal coverage as an Oklahoma safe harbor. Verify the current docket, the exact person or entity covered, every unenjoined federal provision, and the specific Oklahoma firearm definition before anyone makes, receives, transports, delivers, or possesses an unregistered SBR or SBS.
The same federal-versus-state distinction appears in a different setting when an Oklahoma hunter considers using an unregistered suppressor. That issue is addressed separately in Can You Hunt in Oklahoma With an Unregistered Suppressor?.
Primary Sources
This article is general educational information, not legal advice. It does not create an attorney-client relationship. Firearms laws carry serious criminal consequences and can change rapidly through appellate orders, agency guidance, or legislation. Obtain advice from qualified firearms counsel about the current docket, the exact legal person involved, the firearm, the transaction, and every applicable state and federal requirement before relying on the injunction.
