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EMF Warfare Device > Weapon Fundamentals > Flashcards

Weapon Fundamentals Flashcards

1
Q

options for marine corp Service rifle

A

M16A4
M4 carbine equipped with a rifle combat optic

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2
Q

6 ways to describe a Marine Corp Service rifle

A

lightweight
5.56mm
magazine fed
gas operate
air5 cooled
shoulder fired rifle

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3
Q

mm caliber of the Marine Corp Service rifle

A

5.56mm

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4
Q

what feeds the Marine Corp Service rifle

A

magazine fed

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5
Q

how is a Marine Corp Service rifle operated

A

gas-operated

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6
Q

how are Marine Corp rifles cooled

A

air-cooled

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7
Q

2 ways to fire the Marine Corp Service rifle

A

semi-automatic (single shot)
burst (3 routn burst)

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8
Q

maximum effective range of M264A

A

maximum effective range of 550 meters

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9
Q

maximum effective range of the M4 carabine

A

550 meters

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10
Q

what helps reduce the overall weight of the Marine Corp Service rifle

A

alumbium receiver

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11
Q

RCO

A

rifle combat optic

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12
Q

purpose of the ejection port on the Marine Corp Service rifle

A

prevents dirt and sand from getting in through the ejection port.

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13
Q

normal state of the ejection port of a firearm

A

keep closed to keep sand/dirt from getting in

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14
Q

what is on the Marine Corp Service rifle trigger guard

A

spring-loaded retaining pin that, when depressed, allows the trigger guard to be rotated out of the way for access to the trigger while wearing cold weather clothes

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15
Q

when does the ejection port of the Marine Corp Service rifle open

A

automatically by actions of the bold carrier

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16
Q

purpose of the rail system in the Marine Corp Service rifle

A

rail system protects the gas tyube

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17
Q

composition of the Marine Corp Service rifle bore and chamber

A

chrome=plated to reduce wear and fouling

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18
Q

8 components of Marine Corp Service rifle

A

bolt carrier assembly
charging handle assembly
lower receiver
buttstock assembly
magazine
sling
Upper receiver
barrel assembly

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19
Q

role of bolt carrier assembly

A

stripping
chambering
locking
firing
extration
ejection

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20
Q

role of the carging handle assembly

A

initial charging of the weapn

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21
Q

what happens when a firearm is charged

A
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22
Q

role of the hatch latch

A

hatch latch locks the chargin handle assembly in the foreard position during sustained fire to prevent injury to the operation

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23
Q

role of the magazine

A

holds cartridges ready for feeding, provides a guide for positioning cartridges for stripping, and provides quick reload capabilities for hte sustained firing

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24
Q

holds a weapon on your person

A

sling

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25
Q

what chambers a bullet

A

barrel chambers the cartridge for firing and directs the service rifle

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26
Q

how does a DODI help left handed shooters

A

ambidesterous selector lever that can be added to the weapon for left handed shooters only

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27
Q

lever to determine how bullets are fired

A

selector leaver: (safe, semi, burst)

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28
Q

“semi”

A

one shot fired per trigger pull

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29
Q

one shot fired per trigger pull

A

semi

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30
Q

prevents a gun from shootin

A

safe on the selector level

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31
Q

end of exercise

A

“index”

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32
Q

what does “burst” do

A

continue to fire its cycle of operation until interrupted from the burst cam (limits to 3)

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33
Q

what stops firing if you are using “burst”

A

selector level is on burst
burst ca, limits max rounds to three

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34
Q

burst cam

A

limits # consecutive bullets fired w/1 trigger pull (3)

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35
Q

drop to the ground post shooting

A

magazine release button

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36
Q

what happens when the charging handle is pulled to the rear

A

the bolt unlocks from the barrel extension locking lugs,
the bolt carrier group moves to the rear of the recceiver

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37
Q

purpose of the gas deflectort

A

prevents the gas from blowing into the aiming eye

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38
Q

when does the bolt-carrier group lock to the rear

A

if the charging handle is pulled to the rear when the lower protion of the bolt catch is depressed, the bolt carrier group locks to the rear

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39
Q

aka RCO

A

AN/PVQ-31

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40
Q

what is RCO

A

illuminated teloscopic sight that does not cauneed batterpower

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41
Q

which weapon system is teh AN/PVQ-31B designed for

A

M4 carabiner
cannot be switched between different weapons systems

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42
Q

types of amunition authorized for use wtih the Service riffle

A

ball -M855
tracer - M856
dummy - M199
blank -M200
MK-262 (MOds 0 and 1)
MK-318 Mod 0

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43
Q

ball amunition for service rifle

A

primary amunition for Servie rifle
identified by green tip
front 1/3: solid steel
back 2/3: lead alloy

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44
Q

bullet with green tip

A

ball (M855)

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45
Q

bullet with bright red tip

A

tracer

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46
Q

what does a tracer bullet look like

A

bright red tip

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47
Q

primary uses of tracer bullets

A

observation firing
incendiary effect
signaling

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48
Q

ratio of tracer bullets to ball bullets

A

no greater than 1:1
preferred 1 traer round to 4 ball rounds

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49
Q

cartridge used during dry fire

A

dummy (M199)
six grooves along the side
contains no propellant or primer
primer well is open to prevent damage to the firing pin

50
Q

how to identify a dummy round

A

siz grooves along the side of hte ase.
ontains no propellants/primer
primer well is open to prevent damage to the firing pin

51
Q

identify blank round

A

case mouth closed with seven petal rosette crimp
no projectile
violet tip

52
Q

compare dummy rouint to blank

A

dummy: 6 grooves aroudn the size. primer well is open to prevent damage to the firing pin

blank round: seven petal rosette crimp tip that is violet

53
Q

study of projectiles and their effects

A

ballistics

54
Q

what happens inside a projectile when it is fired

A

powder burns, chamber pressure builds, projectile is pushed forward through the throat, engaging the rifling
power in the cartridge continues to burn, adding pressure and increasing the velocity of the projectile

55
Q

bullet rotation

A

as the round travels down the barrel, it is rotated by the rifling cut into the barrel
-the rotation stabilizes the round once it exits the barrell
***longer heavier rounds needmore spin than lighter shorter

56
Q

what happens if a round is over-stabilized (rotated as it leaves

A

the projectile will perform poorly when it impacts body tissue, puncching ystraight through with minimal disturbance of hte trissue

57
Q

what happens if a bullet’s rotation is under stabilized

A

it will not travel accurately and will be heavility affected by the atmospheric conditions and drag

58
Q

Rule 1

A

“treat every weapon as it it were loaded”

59
Q

Rule 2

A

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

60
Q

Rule 3

A

Keep your finger straight and off the trigger until you are ready to fire

61
Q

Rule 4

A

Keep the weapon on SAFE until you intend to fire

62
Q

Rule 1 & 2

A
  1. treat every weapon as if it were loaded
  2. never pojnt a weapon at anything you do not intend to shoot
63
Q

Rule 3 & 4

A
  1. keep your finger straight and off the trigger until you are ready to fire
  2. keep the weapon on SAFE until you intend to fire
64
Q

Rule 2 & 3

A
  1. Never point a weapon at anything you do not intend to shoot
  2. keep your finger straight and off the trigger until you are ready to fire
65
Q

describes a weapon’s readiness

A

a weapon’s readiness is described by conditions

66
Q

steps involved in loading/unloading a gun

A

the steps involved in loading/unloading a gun takes the Service rifle through specific conditions fo readiness for live fire

67
Q

condition 1

A

safety on
magazine inserted
round in chamber
bolt forward
ejection port cover closed

68
Q

condition 2

A

not applicable in the Service rifle

69
Q

condition 3

A

safety on
magzine inserted
chamber empty
bolt forward
ejection port closed

70
Q

condition 4

A

safety on
magazine removed
chamber empty
bolt foreard
ejejction port cover closed

71
Q

safety in condition 1

A

safety on

72
Q

magazine in condition 1

A

magazine inserted

73
Q

round in condition 1

A

round in chamber

74
Q

ejection port in condition 1

A

ejection port closed

75
Q

safety in all conditions

A

safety on

76
Q

how do you determine a weapon’s readiness?

A

its condition

77
Q

what must happen when you take control of a weapon

A

its condition must be determined and known

78
Q

3 steps to determine the condition of a weapon

A

-determine if the magazine is present
- ensure the weapon is on SAFE
- conduct a chamber check

79
Q

firs rule of weapon safety

A

Rule 1: treat every weapon as if it were loaded

80
Q

second rule of weapon safety

A

Rule 2: never point a weapon at anything you do not intend to shoot

81
Q

treat every weapon as if it were loaded

A

Rule 1 of weapon safety

82
Q

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

A

rule 2 of weapon safety

83
Q

command to stop shooting

A

CEASE FIRE

84
Q

command where someone has to show the weapon is not loaded

A

SHOW CLEAR

85
Q

CLP

A

cleaner, lubricant, and preservative

86
Q

lubricant used for service rifle

A

CLP: cleaner, lubricant, and preservative
*only not used in cold Arctic condtions

87
Q

4 tools to clean a weapon

A

CLP
rod
brutches
patch holder

88
Q

what happens in double-action mode

A

causes the hammer to move to the rear as the trigger is being pulled

89
Q

3 major components of the M9

A

slide assembly
barrell assembly
receiver

90
Q

maximum effective range of the M9

A

50 yards (54.7 yds)

91
Q

how many rounds does the magazine of teh M9 service pistol hold

A

15 round

92
Q

what happens when the last round of the M9 service pistol is fired

A

the slid automatically locks to the rear

93
Q

balls used by the M9 service pistol

A

9mm

94
Q

8 steps of firingthe M9 service pistol

A

firing
unlocking
extracting
ejecting
cocking
feeding
chambering
lociking

95
Q

what does a dummy round look like

A

hold erilled into the side and contains no primer

96
Q

strip used to keep a pistol on your person

A

laynard

97
Q

why should you never apply oil or grease to M9 amunition

A

oil can produce excess chamber pressure or damage operating parts/

98
Q

6 commands when firing a M9 service pistol

A

Load
Make REady
Fire
Cease FIre
UNload
Unload, show clear

99
Q

2 methods for checking the condition of a M9 service pistol

A

checking the round indicator on the right side of hte pistol
conducint a chamber check

100
Q

what condition is a weapon in during the “LOAD” command when firing M9

A

take weapon from condition 4 to 3

101
Q

what condition do you put a M9 service pistol in when you “Unload”

A

put into condition 4

102
Q

stoppage

A

unintentional interruption in teh cycle of operation

103
Q

unintentional interruption in the cycle of operation of a M9 service pistol

A

stoppage

104
Q

when do you discover a stoppage

A

when a M9 service pistol won’t fire

105
Q

how can you prevent M9 stoppages

A

proper care, cleaning, lubrication, shooter error

106
Q

purpose of knife fighting

A

cause massive trauma and damage to an aggressor by exeucting the verticle thrust or verticle slash techniques

107
Q

goal of knife fighting

A

attack soft body vital targets that are readily accessible

108
Q

weight of a M67 fragmentation grenade

A

14 ounces

109
Q

killing radius of a M67 fragmentation hand grenade

A

5 meters

110
Q

effective casualty-producing radius of a M67 fragmentation hand grenade

A

15 meters

111
Q

danger zone of a M67 fragmentation grenade

A

effective casualty-producing radius = 15 meters
killing radius = 5 meters

112
Q

how to remove the pin of a M67 fragmentation grenade

A

pull ring with index/middle finger of the nonthrowing hand
remove the safety pin with a pulling and twisting motion

113
Q

HIMARS

A

high mobility artillerary rocket system

114
Q

MLRS

A

multiple launch rocket system

115
Q

FMTV

A

family of medium tactical vehicles

116
Q

weight of HIMARS

A

24,000 lbs

117
Q

maximum range of HIMARS

A

45 miles

118
Q

maximum rate of fire of HIMARS

A

6 rockets

119
Q

crew of HIMARS

A

3 crew

120
Q

mximum speed of HIMARS

A

53 mph

121
Q

difference between a blank and dummy round

A

A dummy is not to be confused with a blank, a cartridge for a firearm that contains propellant and a primer but no bullet or shot; a dummy does not produce an explosive sound like a blank does.

EMF Warfare Device (10 decks)

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