William English at Georgetown has quietly dropped a big new piece of evidence into a fight that matters to every law-abiding American who owns a gun. His revised National Firearms Survey was recently posted as a working paper, and the topline numbers are hard to ignore: far more guns, far more AR‑15‑type rifles, and far more high‑capacity magazines than most people expected. For gun owners and Second Amendment supporters, this paper is a welcome dose of reality. For the gun‑control crowd, it’s the kind of data that gives you a headache and a new talking point to spin.
Key findings: bigger numbers, bigger headache for gun control
The second‑wave survey estimates about 88 million American adults own guns and roughly 461 million firearms are privately owned nationwide. English reports roughly 40 million AR‑15‑type rifles and another 20 million similarly styled semi‑automatic rifles. He also finds that more than half of gun owners now have magazines that hold over 10 rounds — an estimated 539 million such magazines. On defensive gun use, the paper estimates roughly 2.2 million defensive incidents per year involving firearms owners, most of which did not require firing a shot. Those are not trivia figures — they paint a picture of common ownership and widespread defensive value that the Left would rather ignore.
Method changes — and why critics are already clutching pearls
This version of the National Firearms Survey fixes many of the earlier problems critics flagged. English asked about personal, current ownership rather than “ever owned” or household counts. He split AR‑15‑type rifles from other similar models, added a two‑step validation for who counts as a gun owner, and gathered age data to turn lifetime defensive reports into annual estimates. Yes, the survey is still an online, self‑reported preprint, so it isn’t peer‑reviewed yet. But the obvious attempts to patch prior flaws mean the academic critiques have less to grab onto. Expect the usual suspects to attack anyway — methodology has become a political sport — but this revision is a serious, deliberate effort to put accurate numbers on the record.
Why this matters to the Supreme Court and the “common use” question
The timing could not be more relevant. The Supreme Court has taken up consolidated cases challenging state and local restrictions on AR‑15‑style rifles, and the legal question includes whether these firearms are in “common use.” Big, well‑documented numbers on ownership and magazine prevalence strengthen the factual case that these rifles are commonly owned and used for lawful purposes, including defense. That doesn’t decide the constitutional question by itself — courts weigh history, functionality, and other factors — but the new survey gives defenders of the Second Amendment a powerful factual record to cite in briefs and oral argument.
Bottom line: the data is now on the field — and it matters
William English’s revised survey has put fresh, uncomfortable facts in play. Gun owners now have a large, methodically updated study that supports what many of them already knew: firearms and AR‑15‑type rifles are widely owned and often used defensively. Critics will keep quibbling over margins and methods, and the paper will surely be examined closely. But for anyone focused on the legal fight over “assault weapon” bans and the Second Amendment, this is a live development that changes the debate — and not in favor of new, sweeping bans that ignore how common lawful gun ownership really is.

