Preheat oven to 350°.
Split slider rolls in half and put them on a cookie sheet or baking dish.
Mix shredded rotisserie chicken with BBQ sauce.
Place all of the chicken on the bottom halves of the rolls.
Place the tops on the sandwiches.
Melt butter in the microwave for 20 seconds.
Brush all of the butter on the top of the rolls.
Generously add sea salt.
Cover lightly with aluminum foil and bake for 10 minutes.
Remove foil and bake for another 4-5 minutes, until the buns just start to brown.