M134 Minigun 3D model

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The M134 Minigun is a 7.62×51mm NATO, six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute) which can also fire at a high sustained rate.[3] It features Gatling-style rotating barrels with an external power source, normally an electric motor. The “Mini” in the name is in comparison to larger caliber designs that use a rotary barrel design, such as General Electric’s earlier 20-millimeter M61 Vulcan, and “gun” for the use of rifle caliber bullets as opposed to autocannon shells. The Minigun is used by several branches of the U.S. military. Versions are designated M134 and XM196 by the United States Army, and GAU-2/A and GAU-17/A by the U.S. Air Force and U.S. Navy.