The FBI Just Settled the 9mm vs .40 vs .45 Debate

TFB TV

I sat down inside the FBI’s Ballistic Research Facility with Scott, a 23-year FBI veteran and career lawman, to talk about the Bureau’s long and sometimes controversial history with handgun calibers. From revolvers to 10mm to .40 S&W, and finally back to 9mm, Scott explains the data, the testing, an