Supplemental Brief Filed in NRA-Supported Duncan v. Bonta Highlights Circuit Split Created by NRA’s Victory in ANJRPC v. Attorney General of New Jersey
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Supreme Court Briefed on Magazine Ban Split: Duncan v. Bonta Heating Up

NRA-backed challengers to California's 10-round magazine limit filed a supplemental brief at the Supreme Court, citing a circuit split created by the NRA's New Jersey win. The filing pushes SCOTUS to take the case and resolve conflicting appellate rulings on magazine capacity restrictions.

NRA-ILA|August 7, 2026|1h ago|2 min read|ORIGINAL SOURCE ↗

NRA Pushes Supreme Court to Resolve Magazine Ban Contradictions

Petitioners challenging California's 10-round magazine ban filed a supplemental brief at the U.S. Supreme Court on August 7, 2026, demanding the Court grant review and settle a circuit split created by the NRA's recent victory in ANJRPC v. Attorney General of New Jersey. The Duncan v. Bonta case directly targets California's restriction on magazine capacity, making it a critical Second Amendment flashpoint after the New Jersey win signaled judicial momentum against magazine limits.

Key Details

  • The case: Duncan v. Bonta challenges California's ban on magazines holding more than 10 rounds.
  • The circuit split: The NRA's New Jersey victory created conflicting precedent across federal appellate courts on magazine capacity restrictions—exactly the kind of disagreement SCOTUS uses to grant cert.
  • The timing: The supplemental brief was filed after the New Jersey ruling, using it as evidence that the Court should resolve the split before more states implement or defend similar bans.

Why It Matters for Gun Owners

California has 39 million residents. If Duncan succeeds at the Supreme Court, it could strike down magazine restrictions across multiple circuits and several states operating under conflicting legal standards. Right now, gun owners in some jurisdictions face bans while federal courts disagree on whether those bans survive constitutional scrutiny. A Supreme Court grant would end that limbo—either protecting magazine choice nationwide or cementing bans in ways that lower courts can't overturn. For anyone in California, New York, Colorado, or other magazine-restricted states, this case directly impacts what magazines you can legally own and carry.

DownRange Analysis

The supplemental brief strategy is smart litigation. The New Jersey win gave the petitioners exactly what they needed: proof that a federal court has already rejected magazine bans under Second Amendment law. SCOTUS doesn't like circuits pulling in different directions, and the NRA just handed them a reason to grant cert. The Court's post-Bruen track record suggests magazine restrictions face serious pressure—they're harder to defend under historical analysis than many gun control measures. Whether SCOTUS takes Duncan will signal whether they're ready to establish nationwide magazine freedom or let circuit splits fester. Gun owners should watch for a grant decision in the next 60 days.

ORIGINAL SOURCE
This editorial was written by DownRange based on the original article. Read the primary source for additional detail.
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