Two of the robbers broke in through the window while a third waited in a getaway car outside the restaurant.
It happened at 4:05 a.m. Sunday at the McDonald's on Queens Boulevard in Long Island City.
The suspects pulled out a gun and demanded cash from a worker.
They cleaned out the fast food restaurant's safe, and got away with $3,600.
Anyone with information in regard to the identity of the individuals is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).
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