Weapons Flashcards

1
Q

8 cycles of function

A
Feed
Chamber
Lock
Fire
Unlock
Extract
Eject
Cock
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

4 fundamentals of marksmanship

A

Steady body position
Sight picture/alignment
Breathing
Trigger squeeze

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Classes of fire

A
Respect to the ground
   Grazing fire
   Plunging fire
Respect to the target
   Frontal fire
   Flanking fire
   Oblique fire
   Enfilade fire
   Defilade
Respect to the gun
   Fixed
   Traverse
   Search
   Traverse and search
   Swing traverse
   Free
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

M67 frag grenade definition

A

Projects high-velocity fragments in a uniform distribution pattern to produce casualties.

Kill radius: 5 m
Casualty: 15 m
Frag: 230 m
Fuse: 4-5.5 sec

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

240B FM

A

FM 23-68

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

240B weight

A

27.6lb
Tripod 8 lb
Spare barrel 6.6 lb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

240B Length

A

49 in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

240B muzzle velocity and pressure

A

2800 fps

56000 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

240B Rates of Fire

A

Sustain: 100 rpm (6-9 burst every 4-5 sec)

Rapid: 200 rpm (6-9 burst every 2-3 sec barrel change 2 min)

Cyclic: 650-950 rpm barrel change every minute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

240B max effective range

A

Point 600m/800m
Area 800m/1100m
Max 3725m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

240B definition

A

A belt fed, air cooled, gas operated, crew served, fully automatic machine gun, that fires from the open bolt position.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

240B ammunition

A
Ball
Tracer
Blank
Ap
Ap incendiary
Dummy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

M249 FM

A

FM 23-14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

M249 definition

A

A lightweight, belt fed, gas operated, air cooled, fully automatic weapon that fires from the open bolt position.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

M249 weight

A

17 lb
Barrel 2.5 lb
200 round drum 6.92 lb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

M249 length

A

40.75 in
Collapsed 33.25 in
Barrel 20.5 in

17
Q

M249 muzzle velocity

A

3100 fps

18
Q

M249 rates of fire

A

Sustain: 50 rpm (3-5 burst 4-5 sec)
Rapid: 100 rpm (3-5 burst 2-3 sec)
Cyclic: 850 rpm

19
Q

M249 ranges

A

Point 600m
Area 800m
Max 3600m
Tracer burnout 900m

20
Q

M67 components

A

Body
Fuse (M213)
Comp B (6.5oz)

21
Q

Grenades and pyrotechnic signals FM

A

FM 3-23.30

22
Q

Crew served machine guns FM

A

FM 3-22.68

23
Q

Rifle and marksmanship M4/M16 FM

A

FM 3-22.9

24
Q

Max range of M320

A

400m

25
Q

Max effective range M320 area and point

A

350m/150m

26
Q

M320 min arming distance

A

14 to 38m

7 to 14 rotations

27
Q

M320 muzzle velocity

A

236.22 fps

28
Q

M320 weight

A

5 lb

7 lb with buttstock

29
Q

M320 min safe distance

A

31m

130m training

30
Q

Length of M4

A

29.75 in collapsed

33 in extended

31
Q

M4 description

A

A 5.56mm, magazine fed, gas operated, air cooled, select fire, shoulder fired weapon.

32
Q

M4 max effective ranges

A

500m point
600m area
3600m max
Tracer burnout 900m

33
Q

M4 barrel lengths in regiment

A
  1. 3 in

14. 5 in

34
Q

40mm casualty radius

A

5 m

35
Q

Remedial action

A

Continuing effort to determine the cause for a stoppage and clear it

36
Q

SPORTS

A
Slap
Pull
Observe
Release
Tap
Squeeze
37
Q

M4 muzzle velocity

A

2970 fps

38
Q

M4 weight

A
  1. 5lb loaded

6. 43 unloaded