|  | The topic of this article may not meet Wikipedia's notability guidelines for products and services .(July 2022) | 
| Machine Gun, 7.62mm, M133 | |
|---|---|
| Type | Gatling-type machine gun | 
| Place of origin | United States | 
| Production history | |
| Designer | General Electric | 
| Manufacturer | General Electric, Garwood Industries, Dillon Aero, DeGroat Tactical Armaments, McNally Industries LLC | 
| Specifications | |
| Cartridge | 7.62×51mm NATO | 
| Caliber | 7.62 mm (0.308 in) | 
| Action | Gas-operated | 
The XM133 Minigun is a 6-barreled Gatling-type machine-gun. The weapon is a self-powered, gas-operated variant of the M134 Minigun. [1] It fired over 3000 rpm but was not put into production.[ citation needed ]
The XM133 is a gas-operated machine-gun. It is nearly identical to the M134 but has barrels with ports that align with the piston drive in the center of the barrel cluster.