Here are two clips from the end of "Raw Deal" where Ah-nuld is running around blasting bad guys with an HK-94 (fitted with barrel shroud and vertical foregrip) converted to auto:
http://www.youtube.com/watch?v=CTHN3_iCt_E
http://www.youtube.com/watch?v=f5P9VSKuD6o
http://www.youtube.com/watch?v=CTHN3_iCt_E
http://www.youtube.com/watch?v=f5P9VSKuD6o