Waterville Watervliet police officers were called to investigate an allegation of a suspect threatening someone with a pistol on June 26 at around 6:30 p.m.
Officers discovered during the investigation that a young man had raised his shirt to reveal what looked to be a pistol.
A suspect who fit the description was found by officers close to 19th Street and 10th Avenue.
Officers caught a male adolescent after a short foot pursuit and found a loaded flare gun close by.
A 13-year-old male resident was charged by Watervliet police with two Class A misdemeanors: criminal possession of a weapon in the fourth degree and menacing in the second degree.
The minor received an appearance ticket for a future Family Court appearance and was released to a guardian.