In container with tight-fitting cover, shake limeade concentrate, 1 tablespoon of the taco seasoning mix, the oil and red pepper sauce. Set aside.
In medium bowl, toss shrimp with remaining taco seasoning mix until evenly coated.
Heat 10-inch skillet over medium-high heat. Add shrimp; cook and stir, scraping any seasoning from bottom of pan, 3 to 6 minutes, or until shrimp are pink.
Divide lettuce among 6 dinner plates. Top with shrimp, black beans, mango, bell pepper and avocado. Drizzle with dressing. Serve with tortilla chips.