A 20-year-old man was found with a semi-automatic gun in his pants while standing along the roadway at Duncan Village, San Fernando on Friday.
He was arrested and charged with possession of a gun.
He is expected to face a San Fernando magistrate tomorrow.
Police report that at about 5.30 pm, Mon Repos CID and Southern Division Task Force officers were on anti-crime exercise when they arrested the man.
Police said at the time the man was standing along 1st Street, Duncan Village. He was searched and a Browning Hi- Power pistol and 11 grammes of marijuana were found in his pants pocket.