The shooting was reported around 11:23 p.m. following a dispute in the 18300 block of Lost Knife Circle in the Gaithersburg area.
The victim was transported to a nearby hospital with serious injuries. Police have not provided an update on the boy's condition.
Investigators released this sketch of the suspect they are looking for in connection with the case:
Suspect Sketch (Credit: Montgomery County Police Department)
Anyone with information is asked to contact police at 240-773-5770.