GAU-18/A 50 CAL Flashcards
1
Q
GAU-18/A 8 COMPONENTS
A
- Barrel Jacket & Receiver Assembly
- Barrel and Barrel Extension Assembly
- Cover Assembly
- Retracting Slide Assembly
- Back plate Assembly
- Breach Bolt Assembly
- Rod Assembly
- Recoil Buffer Assembly
2
Q
Barrel Jacket & Receiver Assembly
A
- support and protect the barrel assembly
- holds the flash suppressor
- the receiver assembly houses and support for various assemblies of the gun
3
Q
Barrel and Barrel Extension Assembly
A
- provides an aiming path for the projectile
- threaded to the barrel extension
- BARREL LOCKING SPRING prevents the barrel from rotating during the firing cycle
4
Q
Cover Assembly
A
- provides the feed mechanism
- the feed mechanism is actuated by the bolt which feeds the belt to the against the cartridge stops
- Holding Pawl assembly - retains the cartridge
- Belt Feed Pawl Arm - PREVENTS DOUBLE FEEDING.
5
Q
Retracting Slide Assembly
A
- Serves to charge the weapon
- also used when the weapon has a stoppage
6
Q
Back Plate Assembly
A
- serves as the stop for the breach bolt assembly and the recoil buffer assembly
7
Q
Breach Bolt Assembly
A
- provides Feeding, Stripping, Cocking, Chambering, Firing, Extracting, and Ejecting of the cartridge during the recoil and counter-recoil
8
Q
Rod Assembly
A
- Provides energy for the Breach Bolt to return to the firing ( BATTERY ) position
- composed of 2 springs and the Rod Subassembly
9
Q
Recoil Buffer Assembly
A
- Assist in the Recoil and Counter Recoil
10
Q
Bolt Switch
A
- must be repositioned when switch from a Left to Right- hand feed. or vise versa
11
Q
Cocking Lever
A
- also acts as a safety device by not allowing the firing pin extension to be released from the sear until the breach bolt is back in battery position
12
Q
T-Slot
A
extracts the cartridge from the chamber or barrel
13
Q
Ejector
A
extracts the used cartridge out the bottom of the receiver
14
Q
Extractor
A
extracts the cartridge from the belt link
