It was only a matter of time before someone did this. One crafty fan at FC has took the standard Bandai D-Arts Mega Man X, and modified it to resemble the character's Command Mission appearance. The end result is quite the spectacle.
You can check out some additional pictures of the figure at FC. Chances of the creator selling this are slim to none, so you're either left with the option of making your own or wait it out until an official one comes out.