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AR-15 possession bans

Viramontes v. Cook County, Illinois

Also called “the AR-15 case”

Updated Sep 21, 2026

In brief

Where it stands
Argument Scheduled

Oral argument December 2, 2026

Decision expected by late June 2027

What it’s about
This case challenges Cook County, Illinois’s ban on the possession, sale, and transfer of certain semiautomatic firearms, including AR-15-style rifles.
What's at stake
The case could affect people who own or want to own AR-15-style and similar semiautomatic rifles in Cook County. It could also shape how governments may regulate those firearms.

Summary: written with AI from the case record.

Illustration for Cutberto Viramontes, et al., Petitioners v. Cook County, Illinois, et al.
Conceptual illustration · AI-generated

What it's about

The Supreme Court will decide whether the Second and Fourteenth Amendments protect an individual right to possess those rifles.

The dispute centers on the scope of the individual right protected by the Second Amendment as applied to state and local governments through the Fourteenth Amendment.

Question presented

Whether the Second and Fourteenth Amendments guarantee the right to possess AR-15 platform and similar semiautomatic rifles.

What happens next

Expected by late June 2027

Argument is on the calendar for December 2, 2026. Decisions typically follow within about 100 days of argument. Nearly all opinions are released before the term ends in late June or early July 2027.

The Court does not announce decision dates in advance.

Argument and decision days

Documents

2

Docket activity

28
  • Case data updated: documents, description, proceeding_type

    Sep 21, 2026 · supremecourt.gov

  • Case data updated: documents, description, proceeding_type

    Sep 18, 2026 · supremecourt.gov

  • Case data updated: documents, description, proceeding_type

    Sep 18, 2026 · supremecourt.gov

  • Case data updated: title

    Sep 11, 2026 · Court records

  • Case data updated: documents, description, document_url, proceeding_type

    Sep 11, 2026 · supremecourt.gov

Show 7 more
  • Case data updated: documents, description, document_url, proceeding_type

    Sep 10, 2026 · supremecourt.gov

  • Case data updated: documents, description, document_url, proceeding_type

    Sep 9, 2026 · supremecourt.gov

  • Case data updated: documents, description, document_url, proceeding_type

    Sep 9, 2026 · supremecourt.gov

  • Case data updated: title

    Sep 7, 2026 · Court records

  • New analysis added

    Sep 5, 2026 · Court records

  • AI analysis generated: Case Briefing

    Sep 5, 2026 · Generated

  • Case data updated: title, argument_date

    Sep 4, 2026 · Court records

Older entries are on the full docket.

More questions

3
What is at stake in Viramontes v. Cook County?
The Court will decide whether the Second and Fourteenth Amendments protect possession of AR-15-style and similar semiautomatic rifles.
Who could be affected by the Cook County firearm-ban case?
People who own or want to own covered semiautomatic rifles in Cook County could be directly affected. Governments regulating those firearms could also be affected.
When is the next step in Viramontes v. Cook County?
Oral argument is scheduled for December 2, 2026. The Court usually issues a decision later in the same term.

Sources

Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.

Checked Sep 5, 2026Methodology

Court records and filings

Reporting and analysis