Warhammer 40K Adeptus Mechanicus Serberys Raiders and Sulphurhounds
Riding freakish quadrupedal constructs into battle, these cyber cavalry forces operate as forward recon and linebreakers. The Serberys Raiders kit allows you to build three cyber-cavalry models in one of two ways.
Sulphurhounds dual wield pistols, and their mounts are augmented with the ability to breath flaming blasts of corrosive gas.
Raiders, on the other (probably bionic) hand, fire galvanic carbines with deadly accuracy before closing in to cut down their quarry with curved cavalry sabres.