In medium bowl, toss coleslaw mix with dressing. Cover; refrigerate until serving time.
In 12-inch nonstick skillet, heat oil over medium-high heat. Cook pork in oil 3 to 4 minutes, stirring frequently, until no longer pink in center. Stir in barbecue sauce; cook until thoroughly heated.
Divide pork mixture evenly among bun bottoms. Spoon coleslaw over pork; cover with bun tops.