Cameras captured the suspect walking into the 7-Eleven on the 3300 block of Tyson Avenue, just before 1 a.m. Tuesday morning.
At first, the man asked the clerk for cigars.
But instead of handing him cash, the suspect reached for a gun hidden under his pant leg.
After loading up a bag with cash and cigarettes, the man away towards Roland Avenue.
If you have any information on the armed robbery, call Northeast Detectives at 215.686.TIPS (8477).
Click here to watch th surveillance video