Combine all spices and seasonings. Rub over trimmed brisket and chill overnight.
Grill at 325 for 6-7 hours, turning periodically.
Remove from grill, and let rest for 15 minutes. Slice against the grain, place in baking dish, and pour in 1 cup apple juice, 1/2 cup apple cider vinegar, and 1 cup of your favorite bbq sauce. Cover tightly with tin foil, and bake at 275 for 2-3 additional hours.