Without Knowledge or Consent

For years, America's most iconic gun-makers turned over sensitive
personal information on hundreds of thousands of customers to
political operatives.

Those operatives, in turn, secretly employed the details to rally
firearm owners to elect pro-gun politicians running for Congress and
the White House, a ProPublica investigation has found.
...
...
At least 10 gun industry businesses, including Glock, Smith & Wesson,
Remington, Marlin and Mossberg, handed over names, addresses and other
private data to the gun industry's chief lobbying group, the National
Shooting Sports Foundation. The NSSF then entered the gun owners'
details into what would become a massive database.

https://www.propublica.org/article/gunmakers-owners-sensitive-personal-information-glock-remington-nssf