Aircrew Self Defense Weapon (GAU-5A) 5.56 mm caliber rifle
Aircrew Self Defense Weapon (GAU-5A) 5.56 mm caliber rifle

U.S. Air Force Delivers Aircrew Self Defense Weapon (GAU-5A) for Aircrews

The Air Force Gunsmith Shop, part of the U.S. Air Force Life Cycle Management Center’s Armament Directorate, recently completed delivery of a new rifle for aircrew in most ejection seat aircraft. Known as the Aircrew Self Defense Weapon (GAU-5A), the 7-pound, 5.56 mm caliber rifle is based on the M4 carbine and was designed by the Gunsmith Shop in close coordination with the small-arms engineer to provide downed aircrew with additional firepower while they wait for rescue.

The Air Force Gunsmith Shop were asked to design a stand-off weapon that was capable of hitting a man-size target at 200 meters. It disconnects at the upper receiver, is located inside the seat kit (ACES II ejection seats), and can be put together within 30 seconds if needed. From February 2018 through January 2020, approximately 2,700 rifles were delivered to aircrew members.

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According to the Small Arms Program Office, the cost to develop and field this new weapons system was $2.6 million. This weapon was developed to meet an urgent operational need to increase the survivability of downed aircrew. It is stripped of optics and aircrew must utilize the iron sights only. Not only is the Gunsmith Shop in the design business, but it also repairs, refurbishes and overhauls all small arms for the Air Force, which includes anything from .50 caliber machine guns to pistols.

The Air Force Gunsmith Shop were established in 1958 by General Curtis LeMay. The original intent of the office was to improve marksmanship and shooting abilities of Airmen, and over time, the shop grew into what it is today. The shop is comprised of civilian and military employees who are certified gunsmiths, small-arms repairman and machinists. They are the only ones in the Air Force that are allowed to work on government-issued weapons at the depot level. The team works very closely with combat arms professionals across the enterprise.

Aircrew Self Defense Weapon (GAU-5A) 5.56 mm caliber rifle
The Air Force Gunsmith Shop, part of the U.S Air Force Life Cycle Management Center’s Armament Directorate, recently completed delivery of a new rifle for aircrew in most ejection seat aircraft. The Aircrew Self Defense Weapon (GAU-5A), which is a 5.56 mm caliber rifle, was designed to provide downed aircrew with additional firepower while they wait for rescue. (U.S. Air Force courtesy photo)
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