A little-known federal case could have major consequences for gun owners across America. In Hall v. Sig Sauer, plaintiffs are asking a federal court to force SIG Sauer to turn over the identities of customers who contacted the company about alleged issues with the P320 pistol.

In response, the Second Amendment Foundation (SAF) and the National Rifle Association (NRA) filed a joint amicus brief defending gun owner privacy. Importantly, they are not weighing in on whether the firearm is defective. Instead, they argue this case is about something bigger: whether Americans retain a reasonable expectation of privacy when exercising a constitutional right.

The brief cites major Supreme Court precedents, including Carpenter v. United States and District of Columbia v. Heller, to argue that gun ownership is sensitive personal information deserving of protection. They also draw parallels to NAACP v. Alabama, where forced disclosure of membership lists was struck down due to its chilling effect on constitutional rights.

The concern is straightforward: if courts compel manufacturers to release customer identities during litigation, it could normalize exposure of lawful gun owners. That raises fears of harassment, data misuse, or de facto registry-building through civil discovery.

With federal law like the Firearm Owners’ Protection Act limiting registry creation, this case could test whether privacy protections extend beyond legislation into courtroom procedure.

While it may not dominate headlines, Hall v. Sig Sauer could quietly shape the future of gun owner privacy in America.