The shooting happened around 7 a.m. Sunday at the shop on the 4000 block of Lancaster Avenue.
Police say a male suspect approached the front door and fired several shots inside the shop.
The shooter then quickly fled the area in an unknown direction.
A 20-year-old man was taken to Penn Presbyterian Medical Center and treated for three gunshot wounds to the groin area.
The suspect is described as a black male, 45 to 50 years of age, 5'8, and 180 pounds. He was wearing a black hooded sweatshirt.
Anyone with information should call Southwest Detective Division at 215-686-3183/3184. null