Cal Ripken Jr.'s mother was abducted from her Maryland home Tuesday morning ... after cops say the suspect pulled out a handgun and forced her into her car.
Cal's mom -- Vi Ripken -- was finally located early this morning ... and officials say she appeared unharmed.
It's unclear why the gunman chose to abduct Ripken ... or if he took anything from her.
The FBI is now on the case helping cops hunt for the suspect -- who's been described as a: white male, late 30s to early 40s, last seen wearing a colored shirt, camo pants and eye glasses.
Officials say Vi Ripken is now "resting with family members."