Perigot's military henchmen are wearing shoulder sleeve insignia of the Louisiana Army National Guard.
The stealth helicopter is actually an Agusta-Westland AW-109 considered to be one of ten of the most luxurious helicopters in the world.
Although all episodes were supposed to play mainly in California, seasons 3 to 6 were shot in Canada. This is the first episode of season 7 which is filmed again in California. For the first time again you can spot palm trees in the streets.
MacGyver's stories often seem to borrow ideas from famous movies. Here, Abe Sherman (played by Shelley Berman), while sitting in the passenger seat, covers his mouth with a mask while spraying a gas from the fake fire extinguisher to knock out Mac and steal the helicopter is rather reminiscent of Thunderball (1965).
Sherman's store is on the same street as Macgyver's apartment in season 2.