Weapons

Question 1

8 cycles of function

Answer 1

Feed
Chamber
Lock
Fire
Unlock
Extract
Eject
Cock

Question 2

4 fundamentals of marksmanship

Answer 2

Steady body position
Sight picture/alignment
Breathing
Trigger squeeze

Question 3

Classes of fire

Answer 3

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

Question 4

M67 frag grenade definition

Answer 4

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

Question 5

240B FM

Answer 5

FM 23-68

Question 6

240B weight

Answer 6

27.6lb
Tripod 8 lb
Spare barrel 6.6 lb

Question 7

240B Length

Answer 7

49 in

Question 8

240B muzzle velocity and pressure

Answer 8

2800 fps

56000 psi

Question 9

240B Rates of Fire

Answer 9

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

Question 10

240B max effective range

Answer 10

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

Question 11

240B definition

Answer 11

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

Question 12

240B ammunition

Answer 12

Ball
Tracer
Blank
Ap
Ap incendiary
Dummy

Question 13

M249 FM

Answer 13

FM 23-14

Question 14

M249 definition

Answer 14

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

Question 15

M249 weight

Answer 15

17 lb
Barrel 2.5 lb
200 round drum 6.92 lb

Question 16

M249 length

Answer 16

40.75 in
Collapsed 33.25 in
Barrel 20.5 in

Question 17

M249 muzzle velocity

Answer 17

3100 fps

Question 18

M249 rates of fire

Answer 18

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

Question 19

M249 ranges

Answer 19

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

Question 20

M67 components

Answer 20

Body
Fuse (M213)
Comp B (6.5oz)

Question 21

Grenades and pyrotechnic signals FM

Answer 21

FM 3-23.30

Question 22

Crew served machine guns FM

Answer 22

FM 3-22.68

Question 23

Rifle and marksmanship M4/M16 FM

Answer 23

FM 3-22.9

Question 24

Max range of M320

Answer 24

400m

Question 25

Max effective range M320 area and point

Answer 25

350m/150m

Question 26

M320 min arming distance

Answer 26

14 to 38m | 7 to 14 rotations

Question 27

M320 muzzle velocity

Answer 27

236.22 fps

Question 28

M320 weight

Answer 28

5 lb | 7 lb with buttstock

Question 29

M320 min safe distance

Answer 29

31m | 130m training

Question 30

Length of M4

Answer 30

29.75 in collapsed | 33 in extended

Question 31

M4 description

Answer 31

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

Question 32

M4 max effective ranges

Answer 32

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

Question 33

M4 barrel lengths in regiment

Answer 33

10. 3 in | 14. 5 in

Question 34

40mm casualty radius

Answer 34

5 m

Question 35

Remedial action

Answer 35

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

Question 36

SPORTS

Answer 36

``` Slap Pull Observe Release Tap Squeeze ```

Question 37

M4 muzzle velocity

Answer 37

2970 fps

Question 38

M4 weight

Answer 38

7. 5lb loaded | 6. 43 unloaded