Ingredient:
10 fluid ounces tequila 
1 (12 fluid ounce) can frozen limeade concentrate 
10 fluid ounces beer ice 
10 fluid ounces water
1 lime, cut into wedges

Method:
Pour limeade, tequila, water, and beer into a large pitcher. Stir until well-blended, and limeade has melted. Add plenty of ice, and garnish with lime wedges. Adjust with additional water, if needed.