Abstract: The present invention provides an intramedullary nail implant system in which the nail body includes drive components which provide for independent compression on medial lateral screws to compress the interface between the tibia and talus, and in the sub-talar joint between the talus and calcaneus. An outrigger is provided which functions as a drill guide and helps to stabilize the construct and create and hold compression during the surgical procedure and a surgical method is provided which uses the system to achieve ankle fusion.