The South African Reconnaissance Car was, like it's name seems to indicate, was a reconnaissance vehicle. The original armament of one Boys rifle and one machine gun was considered inadequate by the British and the modified their Marmon-Herrington (like they called it) to carry various different weapons, including 20 mm autocannons. I have not heard that it would ever be used as an AA vehicle. This, of course, doesn't mean that you couldn't do that in FH2.
and it dies from 2 at-rifle shots.still the verison we got ingame is a field modified version, using captured italian autocannons, most likely from the Carro Armato L6/40.
not to mention the cruisarders mkIII 6pounder with their awesome AA capabilities
Only problem with the screenshot is that i rarely make them since my game freezes for about 3-4 seconds when making one. It kinda always makes both jpg/png and it takes like ages to save that apparently