Sean Sullivan
From Internet Movie Firearms Database - Guns in Movies, TV and Video Games

Sean Sullivan with a AK-47 as the gun dealer in Who's That Girl (1987).
Sean Sullivan can be seen using the following weapons in the following films:
Film
Gun | Character | Title | Note | Date |
---|---|---|---|---|
Beretta 92F | Gun dealer | Who's That Girl | 1987 | |
Ruger Security Six | Gun dealer | Who's That Girl | stainless | 1987 |
Steyr AUG A1 | Gun dealer | Who's That Girl | 1987 | |
AK-47 | Gun dealer | Who's That Girl | 1987 | |
Single Action Army | Buford Tannen's Gang member | Back to the Future Part III | 1990 |