A10 ’s cannon GAU 8A Seven-Barrel, 30mm, Gatling Gun

A10 ’s cannon GAU 8A Seven-Barrel, 30mm, Gatling Gun Gun Type Externally Powered Gatling Gun Weight 620 Pounds (281 kg) Rate of Fire Up to 4,200 Shots Per Minute Dispersion 5 Milliradians Diameter, 80 Percent Circle Muzzle Velocity 3,400 Feet (1,036m) Per Second Average Recoil Force 10,000 Pounds (44.5 kN) Drive System Hydraulic, Electric, Pneumatic Feed System Linked or Linkless