F-35 Lightning II 25mm Gatling Gun System
General Dynamics Armament and Technical Products has been awarded a system development and demonstration contract to design, produce, and integrate the F-35 Lightning II Stealth Fighter's gun system. GDATP is developing an internal and external gun system based on a derivative of the GAU-12/U 25mm Gatling gun. An internally mounted gun system will arm the F-35A Conventional Takeoff and Landing aircraft variant and an externally mounted gun system will arm the F-35B Short Takeoff and Vertical Landing and F-35C Carrier-Based aircraft variants.
Specifications
| Gun Type | Four-barrel, 25mm, externally powered Gatling gun |
|---|---|
| Weight Internal System External System |
420 pounds (191 kg) 724 pounds (329 kg) |
| Rate of Fire | Up to 3,300 shots per minute |
| Dispersion | 5 milliradians diameter, 80 percent circle |
| Muzzle Velocity (TP, HEI ammunition) (API ammunition) |
3,560 feet (1,085m) per second 3,400 feet (1,036m) per second |
| Feed System | Conventional linear linkless (CTOL), helical linear linkless (STOVL, CV) |
| Drive System | Hydraulic |
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