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A Rockwell CZ53 personal minigun is capable of firing 5mm ammunition at over 60,000 RPM[1] with an ammo capacity of 120x 5mm round. The CZ53 personal minigun makes up for the small 5mm round by sending a hail of bullets toward its target. Its sheer size, coupled with its trademark sound, is enough to send anyone in its path running for cover. It's a great weapon for suppressing fire, letting others flank the unsuspecting enemy.[2] When the Great War struck, it was already an aging design and was slowly being replaced by the more advanced CZ57 Avenger minigun.[3] Later models of the CZ53 have six barrels linked into pairs, with four barrels on top and two on the bottom, a cage underneath the weapon to hold an ammo box containing 240 5mm rounds, and used in combination with a backpack. The first model was the favorite weapon of the Mariposa super mutants during the Unity's time.
This weapon is a six-barreled heavy machine gun, fed by a "cassette"ammunition box using the 5mm round. Utilizing the Gatling style rotating barrels powered by an internal motor, it delivers an extremely high rate of fire, making it an effective weapon and is ideal for inflicting heavy damage on large quantities of relatively unarmored enemies. With the use of armor piercing ammunition, the minigun is extremely deadly, being able to cut through even the toughest target very fast, the downside being that it uses up the 5mm ammunition rather quickly.
Due to its poor spread, the high rate of fire effectiveness is somewhat negated at medium to long distance combat. Additionally, this rate of fire can quickly exhaust ammunition supplies, as well as reducing the weapon's condition at an alarming rate during sustained fire. Using one requires a healthy stock of Weapon repair kits, or a supply of other miniguns to keep the weapon in good working condition. This weapon has a Strength requirement of 10 and weighing in at 25 lbs is one of the heaviest firearms in the game. However, the unique minigun, the CZ57 Avenger, weighs only 18 pounds, but cannot be modified. The Avenger has one of the highest DPS ratings of any gun in the game, if the skill requirements are met.
When firing the minigun outside of V.A.T.S., there is a small wind-up time, as the barrels spin up to firing speed, between holding the fire button and when it actually begins to fire.
pcxbox360ps3 The ammunition backpack may become stuck to the back of the player character regardless of unequipping or switching to a different weapon/armor. It may also flicker or may not disappear and duplicate itself multiple times, appearing to hover and follow the player character around. To fix this as well as many other glitches for the minigun, drop the minigun then equip another weapon and drop the second weapon before picking both weapons up. [verified]
pcxbox360 The weapon firing sound usually doesn't play out with the animation. For every 2-3 bursts fired, you will hear the firing sound only once or twice. [verified]
pc It's possible that the barrel spinning animation will not play out while in first person, this usually follows some other glitch. [verified]
xbox360ps3pc Sometimes the rotor sound does not play. The sound played is not the rotor sound, but the firing sound, even though no bullets have been fired. [verified]