1 (1 liter) bottle bottled margarita mix
2 1/2 cups tequila (such as 1800® Premium Reposado)
1/2 cup orange liqueur (such as Grand Marnier®)
1/4 cup raspberry liqueur (such as Chambord®)
2 tablespoons salt, or as needed
2 limes, cut into wedges
Mix margarita mix, tequila, orange liqueur, and raspberry liqueur together in a pitcher.
Place salt on a small, shallow plate. Moisten rims of 8 margarita glasses with a wedge of lime; dip the rims to coat with salt. Squeeze some lime juice into each glass. Add ice. Pour margarita mixture over ice.