Nope - XM-8 Buford MGS was supposed to be light airborne "tank". M-8 Buford MGS
M-1128 MGS is "just" a Stryker apc with 105 mm gun.
Too bad US killed XM-8 project . It was far better than Stryker MGS will ever be. Better mobility, better armor...
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"Any sufficiently advanced technology is undistinguishable from magic." - Arthur C. Clarke
"Any technology, no matter how primitive, is magic to those who don't understand it." - Florence Ambrose