MIX mayo, Sriracha and lime juice in small bowl. Spread each bun with 1/2 Tbsp. (1-1/2 tsp.) of the mayo mixture.
FILL each bun with 1 folded slice each ham and roast beef, a cheese slice quarter, tomato slice and pickle.
TOP each bun with a small decorative bamboo skewer, skewered with an olive.