5"/54 Caliber Mark 42 gun (mod 2)
This gun was designed in 1968, but produced in 1971. The weight is 21,691 kg ( 47,820.5 lbs). It also had a barrel length of 6.858 m. The rifling was 5.82 m and a barrel life of 8,000 rounds. This gun has a 127 mm caliber and is able to fire 16-20 rounds per minute. This gun is automatic, and has an effective range of 24.1 km. This gun is used by the U.S Navy and Australia.
This gun was designed in 1968, but produced in 1971. The weight is 21,691 kg ( 47,820.5 lbs). It also had a barrel length of 6.858 m. The rifling was 5.82 m and a barrel life of 8,000 rounds. This gun has a 127 mm caliber and is able to fire 16-20 rounds per minute. This gun is automatic, and has an effective range of 24.1 km. This gun is used by the U.S Navy and Australia.

GAU-8 Avenger 
This cannon is a Gatting-style auto cannon. It was manufactured by General Electric with a weight of 619.5 pounds and a length of 6.06 meters. The length of the barrell is at 90.5 inches. The width of the barrell is 17.2 inches. This gun has a rate of fire of 4,200 rounds per minute reaching up to 4,000 feet. This gun was in service for the United States from 1977 to present time.
This cannon is a Gatting-style auto cannon. It was manufactured by General Electric with a weight of 619.5 pounds and a length of 6.06 meters. The length of the barrell is at 90.5 inches. The width of the barrell is 17.2 inches. This gun has a rate of fire of 4,200 rounds per minute reaching up to 4,000 feet. This gun was in service for the United States from 1977 to present time.


