In a blurred cellphone video that would later go viral, federal officers knock on a Florida gun owner’s door, demanding he turn over an illegal device they claim he bought as a silencer for his AR-15 ...

Silencers, also called suppressors, are tube-shaped devices that, when screwed into the muzzle of a gun, slow the decompression of gases that propel a bullet forward, thus reducing the “pop” sound of ...