Troopers said the incident occurred on Sunday, August 17 at 1:20 p.m. along the 5000 block of Cumberland Highway in Greene Township.
They said the suspect, a white male approximately 20 to 25-years-old was driving in a silver passenger car, possibly an older Acura in poor condition, when he stopped his vehicle abruptly to avoid a collision with another vehicle.
When the other driver, identified as Christopher A. Wolff Jr., of Chambersburg, Pa., approached the suspect, the man pointed a large silver revolver at him.
The suspect then fled the scene towards Chambersburg Mall.
Anyone with information on this incident is asked to call PSP Chambersburg at (717)-264-5161.
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