Master dojave 21 gun
evidenci treb.This article is about the 30 mm chain gun.It is not to be confused with the Mk44 GAU-17/A,.62mm minigun.Chain gun autocannon, the, mk44 Bushmaster II is a 30 mm chain gun manufactured by, northrop Grumman.
It is a derivative of the.M242 Bushmaster, and uses 70 of the same parts as the M242 while increasing the firepower by as much as 50 with the 20 increase in caliber size.The barrel is chromium-plated for extended life.
The gun uses standard.GAU-8 Avenger ammunition that is available in, aPI (Armor-Piercing Incendiary), HEI (High-Explosive Incendiary) and, apfsds-T (Armor-Piercing Fin-Stabilized Discarding Sabot-Tracer) variants.The gun can be converted to a caliber of 40x180 mm, which involves changing the barrel and a few key parts, to use the SuperShot 40 cartridge.It can also be converted to use the 30x170.
Contents, history edit, the Bushmaster II is the standard primary armament of the.Bionix-II AFV currently in service with the, singapore Army, the, kTO Rosomak.Polish service, and the, cV90 AFVs in, finnish, Norwegian and, swiss service.Although the, united States Air Force selected this cannon to replace the 25 mm and 40 mm guns on its fleet of AC-130U gunships in 2007, this plan was later canceled.1 The United States Marine Corps ' Expeditionary Fighting Vehicle, which has been canceled, was expected to be armed with this cannon as well.Some United States Navy vessels, such as the new San Antonio -class amphibious transport dock are armed with the Bushmaster II for surface threat defense.