The shooting occurred around 10:00 p.m. outside a basement apartment in the 4600 block of Fernhill Street.
Police say they found a man standing in a stairwell with a semi-automatic handgun and a dead man who had been shot repeatedly.
The 39-year-old victim also had a semi-automatic handgun and the shooter told police, there had been a dispute between the two men.
Police continue to sort out the details.