US Weapons > Light Weapons > Flashcards

Light Weapons Flashcards

(53 cards)

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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:

23
Q

Basic Load of the M249:

Study These Flashcards
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

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A

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

25
Maximum effective range of the M249 with tripod and T&E:
1,000m
26
Point target range of the M249 with a) bipod, and b) tripod
A) bipod: 600m; B) tripod: 800m
27
What is the sustained rate of fire of the M249 SAW:
-50 rds/min in 3 to 5 round bursts, and 4 to 5 seconds between bursts -barrel change every 10 mins
28
Rapid rate of fire of the M249 SAW:
-100 rds/min, fired in 8-10 rd bursts, 2 to 3 s between bursts -barrel change every 2 mins
29
Cyclic rate of fire of the M249 SAW:
-650 to 850 rds/min; continuous burst -barrel changed every minute
30
Operating system of the M240B MG:
Gas-operated, air-cooled
31
Length of the M240B:
49”
32
Weight of the M240B:
27.6lbs
33
Weight of the tripod-mount M122A1:
20lbs
34
Basic load for a 3-man crew M240B MG:
900-1,200 rds
35
Tracer burnout of the M240B MG:
900m
36
Maximum range of the M240B MG:
3,725m
37
Maximum effective area range of the M240B MG with a) bipod and b) tripod and T&E:
A) bipod: 800m; B) tripod and T&E: 1,100m
38
Maximum effective range for point targets using the M240B MG with a) bipod, and b) tripod:
A) bipod: 600m; B) tripod: 800m
39
Maximum suppression range of the M240B MG:
1,800m
40
Height of the M240B on the tripod mount M122A1:
17.5”
41
Maximum grazing fire range of the M240 B MG over uniformly sloping terrain:
600m
42
Sustained rate of fire of the M240B MG:
100 rds/min, 6-9 rd bursts 4-5s apart; barrel change every 10 mins
43
Rapid rate of fire of the M240B MG:
200 rds/min; 10-13 rd bursts, 2-3s apart; barrel change every 2 mins
44
Cyclic rate of fire of the M240B MG:
650-950 rounds/min in continuous burst; barrel change every min
45
Weight of the M136 AT4:
14.8 lbs
46
Maximum range of the M136 AT4:
2100m
47
Maximum effective range of the M136 AT4:
300m
48
Minimum arming range of the M136 AT4:
10m
49
Load of the M18A1 APM (Claymore):
700 steel balls
50
Horizontal arc of the M18A1 APM (Claymore):
60 degrees
51
Maximum height and casualty radius of the blast of an M18A1 APM (Claymore):
2m height; 100m casualty radius
52
Maximum effective range of the M18A1 APM (Claymore):
50m
53
Backblast area of the M18A1 APM (Claymore):
16m to sides and rear
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