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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
m240b max range
3725m
26
m240b headspace
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
27
bad headspace can result in what
catastrophic failure causing death or serious bodily injury and/or irreparable damage to weapon
28
m240b hot gun
defined as 200 rounds or more in less than 2 minutes
29
m9 condition 1
magazine inserted, slide forward, round chambered, safety on
30
m9 condition 2
N/A
31
m9 condition 3
magazine inserted, slide forward, no round chambered, safety on
32
m9 condition 4
no magazine, slide forward, no round chambered, safety on
33
m9 characteristics
magazine fed, recoil operated, single action, double action, air cooled, semi auto
34
m9 max effective range
50m
35
m9 max range
1800m
36
m9 safeties
firing pin block, half cock notch, sear disconnector, ambidextrous decocker
37
m4 condition 1
magazine inserted, bolt forward, round chambered, safety on
38
m4 condition 2
N/A
39
m4 condition 3
magazine inserted, bolt forward, no round chambered, safety on
40
m4 condition 4
no magazine inserted, bolt forward, no rund chambered, safety on
41
m4 characteristics
semi automatic, automatic, gas operated, air cooled, magazine fed
42
m4 max effective range
500m
43
m4 max range
3600m
44
m500 condition 1
ammo in magazine tube, action forward, round chambered, safety on
45
m500 condition 2
N/A
46
m500 condition 3
ammo in magazine tube, action forward, no round chambered, safety on
47
m500 condition 4
no ammo in feed tube, action forward, no round chambered, safety on
48
m500 characteristics
pump action, magazine tube fed, air cooled
49
m500 max effective range
00 Buckshot-50yards | Slug-100 yards
50
m500 max range
00 Buck-660 yards | Slug- 1180 yards
51
malfunctions
when weapon fires but not as desired | Examples: broken sights, sticky trigger, cook off, runaway gun-does not interfere with cycle of operation
52
m2hb runaway gun stopping
stop it by placing selector to single shot or by grabbing charging handle and holding to the rear
53
m240b runaway gun stopping
twist and break the belt of ammunition or locking bolt to rear and placing weapon on safe
54
m4 runaway gun stopping
dropping magazine and keeping muzzle pointed in safe direction
55
stoppages definition
unintentional disruption in cycle of operation
56
double feed
weapon attempts to chamber 2 rounds, caused by bad extractor or bad ejector
57
stove pipe
casing doesn't completely eject ad is caught in ejection port
58
hang fire
delay in ignition of powder, wait 10 seconds with weapon pointed in safe direction then perform immediate action
59
misfire
failure of propellant to ignite entirely, wait 10 seconds then perform immediate action
60
audible pop/reduced recoil
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
immediate action
tap, rack, bang
62
remedial action
continuing effort to identify and correct a stoppage once immediate action fails
63
m240b remedial actions
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
m2hb remedial actions
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
m4/m9 remedial action
``` 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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