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US Weapons > Light Weapons > Flashcards

Light Weapons Flashcards

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1
Q

Four Cardinal Rules of Weapons Safety

A
  1. Always treat every weapon as if loaded
  2. Don’t point your weapon at anything you’re not willing to destroy
  3. Keep your finger off the trigger until you are ready to engage
  4. Always be sure of your target, and what is behind and in front of it
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2
Q

What is the barrel length of an M4 carbine?

A

14.5”

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3
Q

M4 carbine weight with sling and loaded magazine

A

8.63 lbs

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4
Q

M4 Carbine Length with buttstock extended vs. collapsed

A

Extended: 33”
Collapsed: 29.75”

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5
Q

M4 carbine rifling:

A

Right hand twist; 6 grooves; 1 in 7 turn

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6
Q

M4 Carbine Muzzle velocity:

A

2,970 fps

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7
Q

M4 Carbine Point Target Range:

A

500m

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8
Q

M4 Carbine Area Target Range:

A

600m

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9
Q

M4 Carbine Cyclic Rate of Fire:

A

700 to 970 rds/min

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10
Q

M4 Carbine Sustained Rate of Fire:

A

12-15 rds/min

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11
Q

Point target range of the M320 Grenade Launcher:

A

150m

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12
Q

Area target range of the M320 Grenade Launcher:

A

350m

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13
Q

Maximum range of the M320 Grenade Launcher:

A

400m

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14
Q

Maximum range of the M4 Carbine:

A

3600m

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15
Q

Minimum arming range of the 40mm round:

A

14-38m

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16
Q

Weight of the M320 Grenade Launcher:

A

3.3 lbs

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17
Q

Operation mechanism of the M4 carbine:

A

Gas-operated

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18
Q

Maximum rate of fire of the M249 SAW:

A

850 rds/min

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19
Q

Operating system and cooling mechanism of the M249:

A

Gas-operated, air-cooled

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20
Q

Length of the M249 SAW:

A

40.87”

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21
Q

Maximum range of the M249 SAW:

A

3,600m

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22
Q

Height of the M249 on a tripod:

A

16”

23
Q

Basic Load of the M249:

A

1,000 rds in five 200-rd drums

24
Q

Area target range of the M249 on a) a bipod, and b) a tripod

A

A) bipod: 800m; B) tripod: 1,000m

25
Q

Maximum effective range of the M249 with tripod and T&E:

A

1,000m

26
Q

Point target range of the M249 with a) bipod, and b) tripod

A

A) bipod: 600m; B) tripod: 800m

27
Q

What is the sustained rate of fire of the M249 SAW:

A

-50 rds/min in 3 to 5 round bursts, and 4 to 5 seconds between bursts
-barrel change every 10 mins

28
Q

Rapid rate of fire of the M249 SAW:

A

-100 rds/min, fired in 8-10 rd bursts, 2 to 3 s between bursts
-barrel change every 2 mins

29
Q

Cyclic rate of fire of the M249 SAW:

A

-650 to 850 rds/min; continuous burst
-barrel changed every minute

30
Q

Operating system of the M240B MG:

A

Gas-operated, air-cooled

31
Q

Length of the M240B:

A

49”

32
Q

Weight of the M240B:

A

27.6lbs

33
Q

Weight of the tripod-mount M122A1:

A

20lbs

34
Q

Basic load for a 3-man crew M240B MG:

A

900-1,200 rds

35
Q

Tracer burnout of the M240B MG:

A

900m

36
Q

Maximum range of the M240B MG:

A

3,725m

37
Q

Maximum effective area range of the M240B MG with a) bipod and b) tripod and T&E:

A

A) bipod: 800m; B) tripod and T&E: 1,100m

38
Q

Maximum effective range for point targets using the M240B MG with a) bipod, and b) tripod:

A

A) bipod: 600m; B) tripod: 800m

39
Q

Maximum suppression range of the M240B MG:

A

1,800m

40
Q

Height of the M240B on the tripod mount M122A1:

A

17.5”

41
Q

Maximum grazing fire range of the M240 B MG over uniformly sloping terrain:

A

600m

42
Q

Sustained rate of fire of the M240B MG:

A

100 rds/min, 6-9 rd bursts 4-5s apart; barrel change every 10 mins

43
Q

Rapid rate of fire of the M240B MG:

A

200 rds/min; 10-13 rd bursts, 2-3s apart; barrel change every 2 mins

44
Q

Cyclic rate of fire of the M240B MG:

A

650-950 rounds/min in continuous burst; barrel change every min

45
Q

Weight of the M136 AT4:

A

14.8 lbs

46
Q

Maximum range of the M136 AT4:

A

2100m

47
Q

Maximum effective range of the M136 AT4:

A

300m

48
Q

Minimum arming range of the M136 AT4:

A

10m

49
Q

Load of the M18A1 APM (Claymore):

A

700 steel balls

50
Q

Horizontal arc of the M18A1 APM (Claymore):

A

60 degrees

51
Q

Maximum height and casualty radius of the blast of an M18A1 APM (Claymore):

A

2m height; 100m casualty radius

52
Q

Maximum effective range of the M18A1 APM (Claymore):

A

50m

53
Q

Backblast area of the M18A1 APM (Claymore):

A

16m to sides and rear

US Weapons (1 decks)

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