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15 Cards in this Set
- Front
- Back
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Mechanical Safety |
Round cannot be fired until it is fully supported in the chamber |
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Additional safety |
Any device incorporated into a weapon design to prevent unintentional discharg |
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Applied Safely |
Measure designed to be operated by the soldier |
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Short stroke piston |
Independent to the breech block |
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Short recoil |
Breech and barrel are detached after short travel |
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Sear |
What engages to the bent on striker/firing pin |
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Bent |
Trigger component engages to hold components ready for firing |
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Barrel exterior |
Breech face, shank, reinforce, tube, muzzle, crown, bore, chamber |
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Shading of barrel |
Straight, Bent upwards, bent downwards, bent left, bent right |
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COO and expanples |
Fire- Striker Unlocked- Lug locking Extract- Multi- piece claw Eject- Fixed to bolt way Feed- Magazine Load- Feed horn Lock- Lug locking Cock- Sear engages bent |
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Feed systems |
Box- Drum- Tube- Can all be spring driven or gun driven |
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Gas operated |
Energy required to carry out COO is obtained by ducting of propellant gases to force working parts back |
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Gas operated pistons |
Short stroke Long stroke Direct gas action |
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Recoil and types |
Energy required to carry out COO is supplied to the bolt and barrel locked together and free to move Long recoil- Breech and barrel locked together Short recoil- Breech and barrel detached Inertia- Bolt and bolt carrier separated by inertia spring |
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Blowback and types |
In which energy required to carry out COO is supplied to bolt Simple/Pure Blowback with delay Blowback with advanced primer ignition Blowback with locked breech |
