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The GAU-8 itself weighs 620 pounds (280 kg), but the complete weapon, with feed system and drum, weighs 4,029 pounds (1,828 kg) with a maximum ammunition load. It measures 19 ft 5 + 1 ⁄ 2 in (5.931 m) from the muzzle to the rearmost point of the ammunition system, and the ammunition drum alone is 34.5 inches (88 cm) in diameter and 71.5 ...
The resulting weapon used a smaller version of the GAU-8/A, designated the GAU-13/A, with only four barrels. Podded, the system weights 1,900 lb (860 kg) loaded with 353 rounds of 30 mm ammunition in two helical layers surrounding the gun (for reduction of overall size). The pod is completely self-contained with a rate of fire of 3,000 rpm. [19]
The GAU-8/A Avenger 30 mm, also used by the A-10 Thunderbolt II aircraft, was selected for the system. The 30x173mm cartridge has a greater projectile mass than the 20x102mm cartridge fired by the Phalanx CIWS M61 Vulcan , so it provides much greater destructive power and significantly increased range with similar muzzle velocity.
On 9 July 2012, the Air Force type classified a new version of the Bushmaster called the GAU-23/A. The cannon will be used on the AC-130W and the AC-130J gunships. [5] Mk 46 Mod 2 GWS aboard San Antonio-class amphibious transport ship Green Bay, 2016. The U.S. Navy uses the Mk44 Bushmaster II in the Mk 46 Mod 2 Gun Weapon System (GWS).
The GAU-8 Avenger seven-barrelled 30 mm rotary cannon of an A-10 Thunderbolt II Four Soviet/Russian rotary cannons arranged in ascending caliber, from the left: GShG-7.62, GSh-6-23, GSh-6-30, AK-630
[27]: 12 Work was performed to address this by developing the improved T300E53 HEAT ammunition and the T137 series of hypervelocity armor-piercing discarding-sabot (HVAP-DS or simply APDS) ammunition for the M36 gun. The new APDS round could penetrate 11.1 in (280 mm) of homogeneous steel armor, angled at 30 degrees, at a distance of 1,000 yd ...
The GAU-16/A was an improved GAU-15/A with modified grip and sight assemblies for similar applications. Both of these weapons were used as a part of the A/A49E-11 armament subsystem (also known as the Defensive Armament System). The GAU-18/A is a lightweight variant of the M2/M3 and is used on the USAF's MH-53 Pave Low and HH-60 Pave Hawk ...
Most military use of depleted uranium has been as 30 mm ordnance, primarily the 30 mm PGU-14/B armor-piercing incendiary round from the GAU-8 Avenger cannon of the A-10 Thunderbolt II used by the United States Air Force. 25 mm DU rounds have been used in the M242 gun mounted on the U.S. Army's Bradley Fighting Vehicle and the Marine Corps's LAV-25.