ARM505

If the generally highly regarded tank sim 'Steel Beasts' is to be believed (even though the A10, or indeed any aircraft is not modelled there), the GAU 8 AP round will not kill an M1 or equivalent class MBT from the front aspect, and will likely only immobilise it from any other aspect by damaging running gear. I make no claim as to its authenticity, but as I said, it is highly regarded in the (limited) tank sim world - its armour penetration calculations are discussed in a great deal of detail in the docs, and seem well researched. Obviously, severe damage could be done to external APU's, external MG's, optics etc, although just as obviously, tanks do have backups (ie GAS when GPS is out). The 'mission/mobility kill' is what I'd imagine an A10 driver would hope for when facing any modern MBT, which seem to be exceptionally difficult to actually 'kill', requiring heavy weapons. A GAU 8 isn't really a heavy weapon, impressive though it undoubtedly is. My experience is limited to Steel Beasts though. http://www.steelbeasts.com Think I'm going to register there and ask them quick.