State Police and the FBI arrested a Mattapan man who is a repeat firearm offender and charged him with being an armed career criminal during a traffic stop Thursday in Fall River, officials said.

Christian Teixeira, 33, was a passenger in a gray Nissan Altima when the vehicle was stopped by state troopers around 12:30 p.m. for a traffic violation at the intersection of Dwelly Street and Tuttle Street, Massachusetts State Police said in a statement Friday.

The driver, an unnamed 27-year-old Fall River man, was known by State Police to be a gang member, the statement said.