The alleged robbery happened at a Radio Shack store in Munster, Indiana.
Eighteen-year-old Javonte Colbert and 35-year-old Antoine Gates face charges of armed robbery, criminal confinement and theft.
Authorities say the two men, along with a third unidentified suspect, pointed a gun at two store employees and bound them with duct tape.
Investigators say Colbert and Gates took cash from the register along with cell phones and other electronics.
