As battles moved from the feilds of old to a more urban setting it became aparent, as infantry casualties rocketed upward, that tanks and other heavy weapon platforms where ill equipped to deal with these situations. Enter the M-tank.
In the year 2167 a small technologies firm produced the first prototype M-tank as a replacment for the tank as we know it. Sporting variable weapon configurations as well as comparable or better armament than all of the weapon platforms in use at the time the M-tank was without peir. Not only in arms but in mobility. Using a tandem mobility system the M-tank is equipped for tracked movment and as such can go anywhere a normal tank can, however in addition to the tracks the M-tank is equipped for bipedal movment enabling it to walk over obsticles that would stop other weapon platforms. In addition master-slave systems enable an unprecedented level of environmental manipulation.
With modifications to the original design and after rigorous testing the M-tank became a militery staple.