At least 9 did...
This was not just a protest or a riot, but an armed insurrection—and this is no coincidence. Many of the participants were motivated by an extreme gun rights worldview that sees armed rebellion as the very reason to own guns.
www.newsweek.com
First, make no mistake about it—this was an armed insurrection. While arrests and indictments are still rolling into our court system, at least nine individuals were arrested on firearms charges relating to events in or around the Capitol.
These arrests include a man who traveled to D.C. from Colorado, texting that he would be "putting a bullet" in Speaker Nancy Pelosi's head. It was no idle threat: authorities found him with a handgun, a pistol, an assault rifle, and hundreds of rounds of ammunition, including armor piercing bullets. As he drove to D.C., the man allegedly sent texts that he was "ready to remove several craniums from shoulders."