Magazine capacity: the circuit split that SCOTUS will have to settle

After *Bruen*, we have a working framework for Second Amendment challenges — historical tradition and text come first, then rational basis review gets shelved. But magazine limits are exposing a genuine split in how courts are applying it, and we're heading toward cert.

The controlling question is whether a ban on magazines over a certain capacity (usually 10 rounds) can survive *Bruen*'s test. Here's where the circuits are fracturing:

**The holdings we have so far:**

1. Ninth Circuit (*Duncan v. Bonta*) — upheld California's 10-round limit by arguing large-capacity magazines weren't in common use during the Founding, so they fall outside the Second Amendment's scope. Applied *Bruen* narrowly and deferred heavily to the state's tailoring arguments.

2. Sixth Circuit (*Beigel v. Babb*) — blocked Ohio's proposed mag limit before it passed, reasoning that magazines are "arms" under *Heller*, and post-*Bruen*, you need historical precedent to ban them. The court found no founding-era analogue to magazine restrictions.

3. Second Circuit (*Antonyuk v. Bruen*) — split the baby. New York's limit survived on a technical standing issue, but language in the opinion suggested skepticism about whether the historical record actually supports modern capacity bans.

**Why this matters:**

The split isn't academic. If you're a litigator in a circuit that treats magazines as unprotected tools versus a circuit that treats them as protected arms, your entire brief strategy changes. And *Bruen*'s historical test doesn't have a clean answer for 20th-century hardware. The Framers didn't contemplate repeating firearms, let alone detachable magazine-fed ones.

**Cases to watch:**

If *New York State Rifle & Pistol Association v. Bruen* cert petitions return on magazine limits from the Ninth or Second Circuit, expect SCOTUS to grant. The Sixth Circuit's reasoning is closer to the majority's *Bruen* language, which creates a clean vehicle for the Court to clarify whether magazine restrictions require historical precedent or whether they can survive on different grounds entirely.

The practical answer: we don't have consensus yet. A $200 call with a firearms attorney in your circuit is time well spent if you're advising a client, running a range, or designing new products. The law is moving, and moving differently across the country.

*This is not legal advice. Consult a licensed attorney in your jurisdiction for guidance on magazine possession and sale.*

3 replies
  1. *Duncan* is solid ground, but I'd push back on treating it as controlling anything yet. The Ninth Circuit's holding was narrow—it said large-capacity magazines weren't "in common use" during the Founding. That's not the same as saying they fall outside the Second Amendment's scope entirely. The court was doing historical analysis, not declaring magazines categorically unprotected.

    *Beigel* actually cuts the other direction more cleanly. The Sixth Circuit said magazines are "arms," full stop. Once you accept that premise—and *Heller* and *McDonald* both point that way—then *Bruen*'s test applies. You need historical precedent to restrict them. The Ninth Circuit tried to use the Founding era to narrow what counts as "arms" in the first place. That's a move that doesn't survive *Bruen*'s text-and-history framework.

    Second Circuit's *Antonyuk* language on magazines is dicta. The standing issue saved New York's law, which means no actual holding on the merits. You can't build a circuit split on that.

    The real vehicle for SCOTUS isn't *Duncan*. It's a case where the Ninth Circuit or another court actually holds that magazines *can* be banned because they fail the Founding-era test. *Beigel* already rejected that reasoning. Once there's a clean conflict on whether magazines themselves are protected (not whether specific capacities are), cert becomes much more likely.

    Right now we have one solid Sixth Circuit holding and some suggestive language elsewhere. That's not a split that's ready for the Court.

  2. I want to separate two things here, because I think the legal analysis is sound but the timing question is getting buried.

    @constitutional is right that *Duncan* doesn't settle the doctrinal split yet. The Ninth Circuit's move—narrowing what counts as "arms" by reference to Founding-era common use—is genuinely different from the Sixth Circuit's move of accepting magazines as arms and demanding historical justification for restrictions. That's a real tension. I get that.

    But here's what I'm watching that the pure doctrinal stuff doesn't capture: we're three years past *Bruen*. California's mag limit is still on the books. New York's is still on the books. Meanwhile, red states are passing permitless carry and constitutional carry, and those laws are *also* getting challenged. The courts aren't moving at the same speed as the legislatures.

    The political timing matters because the longer this stays unresolved, the more states legislate in the dark. You've got blue states betting Duncan holds and red states betting it doesn't. Manufacturers have to guess which version of federal law actually applies to them. That's not sustainable for anyone—not plaintiffs, not defendants, not people trying to follow the law in good faith.

    I say this as someone who *lives* with California's limit: the uncertainty is worse than a clear loss would be. At least you'd know what you're working with.

    So yeah, @constitutional's right about the vehicle. But SCOTUS might feel pressure to grant faster than the pure doctrinal logic suggests, just because the fractured state of play is making lawmaking impossible.

  3. @nyc.carry2d ago

    Look, I appreciate the doctrinal precision here, but let me give you the ground truth from someone actually living under New York's regime right now.

    I've been through the licensing interview three times in five years. Each time, the interviewer mentions magazines—not as a theoretical question, but as a practical boundary of what I can legally possess in my apartment. I own compliant 10-rounders. I've watched people on this forum ask whether their standard-capacity mags from before the SAFE Act are grandfathered, and the answer is: no one knows for certain because nobody's challenged it in a way that stuck.

    The uncertainty @dems.with.guns is pointing to? That's my actual life. I can't call the licensing division and ask them to clarify what *Duncan* means for my compliance burden. They refer me to the statute. Penal Law 265.00(22). That's what I have to follow *today*, not what SCOTUS might say in 2026.

    What matters for people in restricted states isn't the doctrinal vehicle. It's that the law on my books right now treats magazines as regulated objects, full stop. *Beigel* doesn't change that unless it gets reversed or overruled. *Duncan* doesn't change it—it affirms it. The Second Circuit's standing move on *Antonyuk* just means New York keeps its law in place while the courts sort themselves out.

    So when the question becomes "when does SCOTUS grant cert," I'm asking: do I need to wait for a clean circuit split, or does the fact that I'm *living under a restriction that half the circuits seem skeptical of* count for something?

    Talk to a lawyer if you're advising someone in a blue state. The law isn't moving at the speed of the litigation.