Shred the cooked chicken into bite-sized pieces.
Combine the shredded chicken and barbecue sauce in a saucepan.
Heat the mixture over medium heat until warmed through.
Toast the sandwich buns lightly.
Season the chicken mixture with salt and pepper.
Layer the bottom half of each bun with the chicken mixture.
Add coleslaw mix on top of the chicken.
Top with sliced pickles, tomatoes, and onions.
Place the top half of the bun over the fillings.
Serve immediately with your favorite sides.