80 kts:
The only real reason for the gun was to justify it for CAS, to kill the Hawg.
Good luck....it will only carry 180 rounds.
Here is an excellent read. You'll have to wait 10 seconds for the ad to go away. Extremely well researched.
Lengthy, but I'd say spot-on when he talks hardware, and about 95% talking about the public, the military, and the void between.
The Tragedy of the American Military - The Atlantic