The General Electric GAU-8/A Avenger is a 30mm hydraulically driven seven-barrel Gatling-type cannon that is typically mounted to the United States Air Force's Fairchild Republic A-10 Thunderbolt II. It is capable of firing 4,200 rounds per minute.
not a machine gun .. its a "Gatling cannon" .. FK your bump stock BS ..
Super, but that's $840,000 a minute in tax stamps alone for the ammo...
what tax stamp on ammo LOL ..
Depending on the projectile, 30mm autocannon ammo would be a "destructive device". Hence $200/pew.