Toronto police said on June 3, officers executed a search warrant in the River Street and Gerrard Street East area.
Officers said a man was allegedly found to be in possession of a nine millimetre Glock handgun and 15 rounds of ammunition in a magazine.
Police said 21-year-old Christopher Awad from Toronto was arrested.
Officers said he is now facing 17 charges, including carrying a concealed weapon, unauthorized possession of a firearm and possession of a prohibited or restricted firearm with ammunition.
According to police, Awad appeared in court on June 4.
Anyone with information is asked to contact police or Crime Stoppers.