I highly doubt anyone will mass produce that T-14 and like Bob said, that system first has to pass all the government acceptance tests and THEN become operational to even get noticed as a possible candidate for an RC model. In the meantime I would just use the T-72B3 to go up against the Abrams.

Or do what others suggest (and what Hollywood does) and alter a running tank to look like the T-14. Like... take HL's ZTZ-99 and add sheeting to it to look similar to that prototype.