I distinctly seem to recall the opposite, they seem rather big and sturdy compared to
Inifiny minis - with the caveat that a friend who has many more of those claims that Corvus Belli has slightly changed the baseline size of their line at some point. Height should not be an issue and as I only have Barker Zosa and Vokker Dargu*, and since at least the former is clearly supposed to be a big guy, maybe most
Sedition Wars humans are smaller. BZ and VD would fit better with
MERCS that are clearly bulkier as I recall.
*) where do they come up with these wonderful names?
