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FMF! > 109 Weapons Fundamentals > Flashcards

109 Weapons Fundamentals Flashcards

1
Q

Description of M9 Pistol

A

Semiautomatic, magazine fed, double action, recoil operated pistol

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2
Q

Weight w/o Magazine for M9

A

33.86 oz

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3
Q

Weight w/ Magazine for M9

A

40.89 oz

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4
Q

Maximum effective range for M9

A

50 meters

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5
Q

Maximum range for M9

A

1800 meters

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6
Q

Magazine for M9

A

staggered, 15 round capacity

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7
Q

Caliber for M9

A

9mm NATO

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8
Q

System of Operation for M9

A

short recoil, semi automatic

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9
Q

Four Weapon Safety Rules

A
  1. Treat every weapon as if it were loaded
  2. Never point your weapon at anything you don’t intend to shoot
  3. Keep your finger straight and off the trigger until you are ready to fire
  4. Keep your weapon on safe until you are ready to fire
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10
Q

Condition 1 of the M9

A

Mag inserted, round in chamber, slide forward, hammer forward and weapon on safe

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11
Q

Condition 2 of the M9

A

Does not apply to the M9

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12
Q

Condition 3 of the M9

A

Mag inserted, chamber empty, slide forward and weapon on safe

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13
Q

Condition 4 of the M9

A

Mag removed, chamber empty, slide forward and weapon on safe

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14
Q

In a tactical situation, what do you do if a pistol does not fire?

A

Ensure the magazine is fully seated; retract the slide to the rear and release

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15
Q

In a non-tactical situation, what do you do if a pistol does not fire?

A

Clear/unload the pistol. If the operator cannot determine the cause of the stoppage, evacuate the pistol to organizational maintenance.

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16
Q

Description of M16A4

A

Lightweight, gas-operated, air-cooled, magazine-fed, shoulder-fired weapon

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17
Q

System of Operation for M16A4

A

gas-operated, semi-automatic, 3 round burst

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18
Q

Caliber M16A4

A

5.56MM

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19
Q

M16A4 Weight w/30 round magazine

A

8.79 pounds

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20
Q

Maximum effective range for M16A4

A

Point Target: 550 meters

Area Target: 800 meters

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21
Q

Maximum range

A

3600 meters

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22
Q

Magazine for M16A4

A

staggered, 30 round capacity

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23
Q

Condition 1 for M16A4 and M4

A

Safety on, magazine inserted, round in chamber, bolt forward, ejection port covered closed

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24
Q

Condition 2 for M16A4 and M4

A

Does not apply to the M16A4 rifle

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25
Q

Condition 3 for M16A4 and M4

A

Safety on, magazine inserted, chamber empty, bolt forward and ejection port cover closed

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26
Q

Condition 4 for M16A4 and M4

A

Safety on, magazine removed, chamber empty, bolt forward and ejection port cover closed

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27
Q

What does SPORTS mean for the immediate action for a rifle?

A

S- Slap upwards on the magazine to make sure it is properly seated
P- Pull the charging handle rearward
O- Observe the chambers for rounds and debris
R- Release charging handle to feed new round. Don’t ride charging handle forward
T- Tap forward assist button to ensure bolt is fully seated
S- Shoot weapon

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28
Q

Description of M4 Carbine

A

lightweight, gas-operated, air-cooled, magazine-fed, shoulder-fired weapon

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29
Q

System of Operation for M4 Carbine

A

gas operated, semi-automatic, 3 round burst

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30
Q

Caliber of M4

A

5.56mm

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31
Q

Length of M4 buttstock closed

A

29.75 inches

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32
Q

Length of M4 buttstock open

A

33 inches

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33
Q

Weight of M4 w/magazine of 30 rounds

A

7.5 pounds

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34
Q

Maximum effective range of M4

A

Point Target: 500 meters

Area Target: 600 meters

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35
Q

Maximum range of M4

A

3600 meters

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36
Q

Magazine of M4

A

staggered, 30 round capacity

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37
Q

Description of M1014 Combat Shotgun

A

Lightweight, gas operated, tubular magazine fed, 12 gauge, semi-automatic shotgun

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38
Q

Caliber of M1014 / Ammo of M1014

A

Caliber: 12ga
Ammo: 2.75 or 3.00 magnum shells

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39
Q

System of Operation for M1014

A

ARGO Twin System (Auto Regulating Gas Operated) with dual gas system

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40
Q

Weight of M1014

A

8.44 pounds

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41
Q

Maximum effect range for M1014

A

00 Buckshot- 40 yards

Rifle Slug- 100 yards

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42
Q

Magazine Capacity for M1014

A
  1. 75 inch shells: 7

3. 00 inch shells: 6

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43
Q

Condition 1 for M1014

A

Ammunition inserted into the magazine tube, breech bolt forward with round in the chamber, weapon on safe

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44
Q

Condition 2 for M1014

A

Does not apply for M1014

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45
Q

Condition 3 for M1014

A

Ammunition inserted into the magazine tube breech bolt forward on an empty chamber, weapon on safe

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46
Q

Condition 4 for M1014

A

Magazine tube empty, breech bolt forward on an empty chamber, weapon on safe

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47
Q

Description of M67 Frag Hand Grenade

A

Used to produce causalities by high velocity projection fragments, with a pyrotechnic delay fuse

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48
Q

The average Marine can throw the M67 grenade how many meters?

A

40 meters

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49
Q

Body of M67

A

Steel sphere

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50
Q

Filler of M67

A

6.5 ounces od Composition B

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51
Q

Fuse od M67

A

M213

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52
Q

Weight of M67

A

14 ounces

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53
Q

Kill radius of M67

A

5 meters

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54
Q

Causality Radius

A

15 meters (fragments can disperse as far away as 230 meters)

55
Q

Description of M203 grenade launcher

A

lightweight, single-shot, breech-loaded, pump action(sliding barrel), shoulder-fired weapon attached to M16A4 rifle or the M4 carbine

56
Q

Length of rifle and grenade launcher

A

39 inches

57
Q

Length of barrel only for grenade launcher

A

12 inches

58
Q

Weight of launcher unloaded

A

3 pounds

59
Q

Weight of launcher loaded

A

3.5 pounds

60
Q

weight of rifle and grenade launcher with both fully loaded

A

11 pounds

61
Q

Maximum range (approx.) of grenade launcher

A

400 meters

62
Q

Maximum effective range for grenade launcher fire team sized target

A

350 meters

63
Q

Vehicle or weapon point target for grenade launcher

A

165 meters

64
Q

Minimum safe firing range (training and combat) for grenade launcher

A

Training: 165 meters
Combat: 31 meters

65
Q

Minimum arming range for grenade launcher

A

14 to 38 meters

66
Q

Rate of fire for grenade launcher

A

5 to 7 rounds per minute

67
Q

Description of M249 SAW

A

light, gas-operated, air-cooled, belt or magazine fed, automatic weapon that fires from the open bolt position

68
Q

Weight of SAW with bipod and tools

A

17 pounds

69
Q

Weight with 200 round drum

A

23.92 pounds

70
Q

Muzzle Velocity (ball and tracer)

A

Ball Ammo: 3,025 feet per sec

Tracer Ammo: 2,870 feet per sec

71
Q

Maximum range for M249

A

3,600 meters

72
Q

Maximum effective range for M249 (Point, Area, Grazing)

A

Point Targets: 800 meters
Area Targets: 1,000 meters
Grazing Fire: 600 meters

73
Q

Rate of fire sustained for M249

A

85 rounds per minute, fired in 3 to 5 round bursts, 4 to 5 seconds between bursts, no barrel changes

74
Q

Rate of fire rapid for M249

A
  • 200 rounds per minute, fire 6 to 8 round bursts, 2 to 3 seconds between bursts, barrel change every 2 minutes
  • 850 rounds per minute, continuous burst, barrel change every minute
75
Q

Condition 1 of M249

A

Bolt is locked to the rear, safety is on, source of ammunition is in position on the feed tray or in the magazine well, cover is closed

76
Q

Condition 2 of M249

A

N/A

77
Q

Condition 3 of M249

A

Bolt is forward, chamber is empty, safety is off, source of ammunition is in position on the feed tray or in the magazine well, cover is closed

78
Q

Condition 4 of M249

A

Bolt is forward, chamber is empty, safety is off, feed tray is empty or on magazine is inserted, cover is closed
CAUTION THIS WEAPON WILL NOT BE HALF COCKED

79
Q

What are the two most common types of malfunctions?

A

Sluggish operation and runaway gun

80
Q

Sluggish Operation

A

Gun fires very slowly. It can be due to excessive friction or loss of gas. Excessive friction is usually due to lack of lube or excessive dirt/carbon. Move the regulator setting to two or three. Clean, inspect and lube the gun

81
Q

Runaway Gun

A

Gun continues to fire after trigger is released; caused by worn, broken or burred sear or worn sear notch. Point weapon down range. Let the weapon fire off remaining rounds if near end. Team leader should break off belt it not.

82
Q

Stoppages

A

Interruption in the cycle of operation caused by faulty gun or ammo

83
Q

Hang Fire

A

Cartridge primer has detonated after being struck by the firing but some problem with the propellant powder causes it to burn too slowly and delays the firing projectile

84
Q

Cook Off

A

Occurs when the heat of the barrel is high enough to cause the propellant powder inside the round to ignite even though the primer has not been struck

85
Q

Stuck Cartridge

A

If swelling is excessive the cartage will be fixed tightly in the chamber. If extractor spring has weakened and does not tightly grip the base of the cartridge, it may fail to extract a round when the bolt locks to the rear.

86
Q

Description of M240G

A

air cooled, belt fed, gas operated automatic weapon that fires from the open bolt position

87
Q

Total system weight (gun and tripod) M240G

A

45.6 pounds

88
Q

Weight of machine gun M240G

A

25.6 pounds

89
Q

Length of M240G

A

49 inches

90
Q

Height of machine gun on tripod M240G

A

17 inches

91
Q

Maximum range od M240G

A

3,725 meters

92
Q

Maximum effective range for M240G

A

1,800 meters

93
Q

Grazing fire for M240G

A

600 meters

94
Q

Caliber of M240G

A

7.62mm

95
Q

Rate of fire sustained for M240G

A

100 rounds per min, 6 to 8 round bursts, 4 to 5 seconds in-between, barrel change every 10 minutes

96
Q

Rate of fire rapid for M240G

A

200 rounds per min, 10 to 12 round bursts, 2 to 3 seconds between bursts, barrel change every 2 minutes

97
Q

Rate of fire cyclic for M240G

A

650 to 950 rounds per min, continuous burst, barrel change every minute depending on gas setting

98
Q

Condition 1 for M240G

A

Bolt is locked to the rear, safety is on, source of ammo is in position on the feed tray, cover is closed

99
Q

Condition 2 for M240G

A

N/A

100
Q

Condition 3 for M240G

A

Bolt forward, chamber is empty, safety is off, source of ammo is in position on the feed tray, cover is closed

101
Q

Condition 4 of M240G

A

bolt is forward, chamber is empty, safety is off, feed tray is empty, cover is closed

102
Q

Description of Caliber .50 Browning, M2HB

A

belt-fed, recoil operated, air-cooled, crew-served, machine gun. Capable of firing single shot or on automatic

103
Q

Weight of .50 Cal (gun and tripod)

A

128 pounds

104
Q

Length of .50 Cal

A

65 inches

105
Q

Maximum range (M2 Ball) .50 Cal

A

7,400 meters (approx.)

106
Q

Maximum range effective .50 Cal

A

1,830 meters

107
Q

Grazing fire range .50 Cal

A

700 meters

108
Q

Caliber of .50 Cal

A

50

109
Q

Rate of fire sustained for .50 Cal

A

40 rounds or less per minute

110
Q

Rate of fire rapid for .50 Cal

A

More than 40 rounds per minute

111
Q

Rate of fire cyclic for .50 Cal

A

45-550 rounds per minute

112
Q

Condition 1 for .50 Cal

A

Ammo is in position on the feed tray, bolt is locked to the rear and bolt latch release lock is up

113
Q

Condition 2 for .50 Cal

A

Does not apply

114
Q

Condition 3 for .50 Cal

A

Ammo is in position on feed tray, chamber is empty, bolt is forward and bolt latch release lock is up

115
Q

Condition 4 for .50 Cal

A

Feed tray is clear of ammo, chamber is empty, bolt is forward and bolt latch release lock is up

116
Q

Description of MK19 machine gun

A

self-powered, air-cooled, belt-fed, blowback operated weapon. Used against enemy personnel and light armored vehicles

117
Q

Weight of MK19 (gun, cradle, tripod)

A

140.6 pounds

118
Q

Length of MK19

A

43.1 inches

119
Q

Maximum range (M2 ball) MK19

A

2,212 meters (approx.)

120
Q

Maximum effective range MK19

A

1,500 meters

121
Q

Grazing fire MK19

A

2,212 meters

122
Q

Bore diameter MK19

A

40mm

123
Q

Rate of fire sustained MK19

A

40 rounds or less per minute

124
Q

Rate of fire rapid MK19

A

60 rounds per minute

125
Q

Rate of fire cyclic MK19

A

325-375 rounds per minute

126
Q

MK19 Firing out of battery

A

A round is being fired before it is fully seated in the chamber

127
Q

Describe what the RCO AN/PVQ-31A/B does

A

Provides the shooter with quick target acquisition at close combat ranges while providing enhanced target identification.

128
Q

Objective Lens for RCO

A

32mm

129
Q

Magnification of RCO

A

4 power

130
Q

Eye relief of RCO

A

1.5 inches

131
Q

What does BDC stand for?

A

Bullet Drop Compensator

132
Q

What is the BDC designed to do?

A

Compensate for the trajectory of the 5.56mm round from 100-800 meters w/o making adjustments to the sight.

133
Q

What does the chevron represent on the RCO?

A

19” (is the average width of a man’s shoulders)

134
Q

The AN-PVQ-31 reticle includes?

A

A horizontal mil-scale graduated in 5 mil increments. The distance from the center post to the first mil in 10 mils left and right side.

FMF! (21 decks)

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