The complete Six-Pak system weighed 85 pounds (38.5 kg) with 1,000 rounds of ammunition, comparable in weight to some heavy machine guns.
The power module contained a 24-volt nickel-cadmium battery, a 0.8 horsepower (0.60 kW) motor, and solid-state electronic controls.
With a fast-firing gun using standard rifle ammunition, the US Army and US Air Force showed interest for use of the XM214 on aircraft, helicopters, and armored vehicles.
The smaller and lighter Microgun could replace the Minigun on heavily armed gunship aircraft and attack helicopters, freeing up space for ammo, equipment, and even more guns.
Company engineers proposed many mounting arrangements including open doors, in an aircraft's wings or nose, putting half a dozen guns in a modified bomb bay, and even in turrets of an automated defense network.
For aircraft gunners, accuracy suffered at high speeds, and range, compared to the 7.62 mm Minigun, was limited.
General Electric tried to refocus its efforts by making the Microgun an infantry weapon, but the Army showed no interest.