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Weapons Practical/Knowledge > weapons practical study guide > Flashcards

weapons practical study guide Flashcards

1
Q

1 General safety rule

A

treat every weapon as if it were loaded

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2
Q

2 General safety Rule

A

Never a point a weapon at anything you do not intend to shoot

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3
Q

3 General safety rule

A

Keep your finger straight and off trigger until ready to fire

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4
Q

4 General safety rule

A

Keep weapon on safe until ready to fire

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5
Q

M2HB condition 1

A

ammo in feedway, bolt forward,cover closed, round chambered, safety on

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6
Q

M2HB condition 2

A

not applicable

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7
Q

M2HB condition 3

A

ammunition on feed way, cover closed, bolt forward, no round chambered, safety on (in applilcable)

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8
Q

M2HB condtion 4

A

no belt in feed way, top cover closed, bolt forward, no round chambered, safety on

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9
Q

M2HB Characteristics

A

crew served,recoil operated, air cooled, belt fed, automatic/single shot

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10
Q

M2HB max effective range

A

2000 yards/1 nautical mile

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11
Q

M2HB max range

A

7400 yards

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12
Q

M2HB headspace and timing

A

conducting headspace gauging pull charging handle so there is no gap more than 1/16” between barrel extension and trunion block, barely able to see notches

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13
Q

M2HB headspace tolerance

A

between 2-7 clicks

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14
Q

Failure to set correct headspace can result in what

A

catastrophic system failure causing possible injury or death and irreparable damage to equipment

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15
Q

headspace too loose can cause what

A

explosive energy will follow path of least resistance which will be back through receiver

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16
Q

if headspace is too tight…

A

round can get seated too far into barrel and become stuck. bolt face can tear the base of brass off bottom and leave remaining casing inside barrel

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17
Q

if weapon fails timing…

A

notify armorer for adjustment

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18
Q

hot gun is defined as what

A

200 or more rounds in 2 minutes or less

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19
Q

m240b condition 1

A

ammo in feed tray, bolt locked to rear, safety on

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20
Q

m240b condition 2

A

not applicable

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21
Q

m240b condition 3

A 
top cover closed
belt on feed tray
bolt forward 
no round chambered
safety off
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22
Q

m240b condition 4

A

no ammo, top cover closed, bolt forward, no round chambered, safety off

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23
Q

m240b characteristics

A 
automatic,
air cooled
belt fed 
gas operated,
open bolt,
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24
Q

m240b max effective range

A

point-800m, area 1800m

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25
Q

m240b max range

A

3725m

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26
Q

m240b headspace

A

fixed headspace, 2 and 7 clicks guide applies, faint click known as ghost click which isnt counted as 2 to 7 click, if tightened barrel outside 2 to 7 click notify armorer

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27
Q

bad headspace can result in what

A

catastrophic failure causing death or serious bodily injury and/or irreparable damage to weapon

28
Q

m240b hot gun

A

defined as 200 rounds or more in less than 2 minutes

29
Q

m9 condition 1

A

magazine inserted, slide forward, round chambered, safety on

30
Q

m9 condition 2

A

N/A

31
Q

m9 condition 3

A

magazine inserted, slide forward, no round chambered, safety on

32
Q

m9 condition 4

A

no magazine, slide forward, no round chambered, safety on

33
Q

m9 characteristics

A

magazine fed, recoil operated, single action, double action, air cooled, semi auto

34
Q

m9 max effective range

A

50m

35
Q

m9 max range

A

1800m

36
Q

m9 safeties

A

firing pin block, half cock notch, sear disconnector, ambidextrous decocker

37
Q

m4 condition 1

A

magazine inserted, bolt forward, round chambered, safety on

38
Q

m4 condition 2

A

N/A

39
Q

m4 condition 3

A

magazine inserted, bolt forward, no round chambered, safety on

40
Q

m4 condition 4

A

no magazine inserted, bolt forward, no rund chambered, safety on

41
Q

m4 characteristics

A

semi automatic, automatic, gas operated, air cooled, magazine fed

42
Q

m4 max effective range

A

500m

43
Q

m4 max range

A

3600m

44
Q

m500 condition 1

A

ammo in magazine tube, action forward, round chambered, safety on

45
Q

m500 condition 2

A

N/A

46
Q

m500 condition 3

A

ammo in magazine tube, action forward, no round chambered, safety on

47
Q

m500 condition 4

A

no ammo in feed tube, action forward, no round chambered, safety on

48
Q

m500 characteristics

A

pump action, magazine tube fed, air cooled

49
Q

m500 max effective range

A

00 Buckshot-50yards

Slug-100 yards

50
Q

m500 max range

A

00 Buck-660 yards

Slug- 1180 yards

51
Q

malfunctions

A

when weapon fires but not as desired

Examples: broken sights, sticky trigger, cook off, runaway gun-does not interfere with cycle of operation

52
Q

m2hb runaway gun stopping

A

stop it by placing selector to single shot or by grabbing charging handle and holding to the rear

53
Q

m240b runaway gun stopping

A

twist and break the belt of ammunition or locking bolt to rear and placing weapon on safe

54
Q

m4 runaway gun stopping

A

dropping magazine and keeping muzzle pointed in safe direction

55
Q

stoppages definition

A

unintentional disruption in cycle of operation

56
Q

double feed

A

weapon attempts to chamber 2 rounds, caused by bad extractor or bad ejector

57
Q

stove pipe

A

casing doesn’t completely eject ad is caught in ejection port

58
Q

hang fire

A

delay in ignition of powder, wait 10 seconds with weapon pointed in safe direction then perform immediate action

59
Q

misfire

A

failure of propellant to ignite entirely, wait 10 seconds then perform immediate action

60
Q

audible pop/reduced recoil

A

immediately cease fire, possible round still in chamber, do not apply immediate action, remove magazine, lock bolt to the rear, place selector switch on safe, visually inspect bore to ensure projectile is not lodged in barrel, if obstructed verify no live ammo is present and use cleaning rod to drive projectile out

61
Q

immediate action

A

tap, rack, bang

62
Q

remedial action

A

continuing effort to identify and correct a stoppage once immediate action fails

63
Q

m240b remedial actions

A

cock it, shove it, safe it, lift it, sweep it, check it
pull charging handle all the way to the rear locking the bolt, push charging handle forward, place safety on. lift top cover, sweep ammo off feed tray, look for obstructions, check ammo, check mount

64
Q

m2hb remedial actions

A

lock bolt to rear using bolt latch, shove charging handle forward, lift top cover, remove ammo, inspect chamber for obstructions, check ammo, check mount

65
Q

m4/m9 remedial action

A 
SPORTS
Slap magazine
Pull charging handle to rear
Observe Chamber
Release Bolt
Tap forward assist
Shoot

Weapons Practical/Knowledge (7 decks)

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