Weapons Flashcards
Major Components
Barrel and Barrel Extension
Receiver/Barrel Jacket Assembly
Cover Assembly
Retracting Slide Assembly
Breech Bolt Assembly
Recoil Buffer Assembly
Rod Assembly
Back Plate Assembly
Cycle of Operation
Firing
Recoiling
Cocking
Counter-Recoiling
Automatic Firing
Feeding the Round
Extracting the Round
Ejecting the Round
Headspace
Distance between the front face of the bolt and the rear end of the barrel.
Timing
Distance between the front face of barrel extension and the rear face of the trunnion block.
The point at which the firing pin is released when the recoiling parts reach the battery position during counter-recoiling.
Cook-off
Firing of the explosive components of a round due to overheating of the weapon and not due to actuating the mechanism.
Hang Fire
A delay in the function of the propelling charge.
Misfire
The complete failure of the weapon to fire.
Runaway Gun
A failure of the weapon to cease firing when the triggers are released.
Safe
Refers to a weapon not rendering a dangerous condition.
Safe & Clear
Indicates the weapon has been visually checked to be clear of ammunition and does not render a dangerous condition.
Min Engagement Distance
300 Meters
Max Effective Range
3000 Meters
Tracer Burnout
1500 Meters
Max Distance
7500-8000 Meters
Or
4 Miles
Twist Direction
Right Hand
Imposed Belt Feed Load
15 Lbs
Rate of Fire (Heavy Barrel)
650-750 Rounds
Rate of Fire (Light Barrel)
750-850 Rounds
Max Single Burst W/O Danger of Cookoff
150 Rounds
WEZ on Hot Aspect
60 degrees
WEZ on Cold Aspect
30 Degrees
WEZ on Jack
30 degrees
Weight of Gun
65 Lbs
Rifling Length
71 Inches
Number of Grooves
8