Keyante Gavin Cooper, 21, was charged with two counts of unlawful use of a weapon.
Cooper was allegedly seen on a CTA train with a handgun while the train was heading towards 95th Street.
Officers were able to detain him and found two handguns. Cooper did not have a valid Firearm Owner's Identification (FOID) card and/or a Carry Conceal License.
He was placed into custody and charged accordingly. No additional information is available at this time.