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FMFWO > Section 115 > Flashcards

Section 115 Flashcards

1
Q

Discuss the 5 safety rules operating procedures for Weapons.

A
  1. Treat every weapon as if it were loaded.
  2. Never point a weapon at anything you do not intend to shoot.
  3. keep finger straight and off the trigger until you are ready to fire
  4. Keep weapon on safe until you intend to fire
  5. Know what is behind target
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2
Q

What is the Service rifle and what are its characteristics?

A

The M16/M4 series weapons are 5.56 mm, magazine-fed, gas operated, air-cooled, shoulder-fired weapons
Automatic fire (3 rounds)
Semi-automatic fire (single shot)
Magazine Capacity - 30 rounds

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3
Q

What are the measurements of the Service rifle?

A

Length: 39.63 in
Weight w/ 30 round mag: 8.79lbs
Bore Diameter: 5.56mm

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4
Q

What is the maximum effective range for Service rifle?

A

Area target: 800 meters

Point target: 550 meters

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5
Q

What is the rate of fire for the Service rifle?

A

Cyclic - 800 rounds per min
Sustained - 12-15 rounds per min
Semiautomatic - 45 rounds per min
Burst - 90 rounds per min

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6
Q

Discuss the characteristics of the Service Pistol.

A

The M9 pistol is a semiautomatic, magazine fed, recoil operated, double action pistol, chambered for the 9mm cartridge
Mag Capacity - 15 rounds

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7
Q

What are the measurements of the Service pistol?

A 
Caliber - 9x9mm
Length - 217 mm
Width - 38 mm
Height - 140 mm
Weight Empty Mag - 960 grams
Weight Full Mag - 1145 grams
Barrel length - 125mm
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8
Q

What is the maximum effective range for the Service Pistol?

A

Max effective range - 50m

Max range - 1800 m

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9
Q

What are the 5 major components of the M9 pistol?

A 
Slide Assembly
Barrel Assembly
Recoil spring and recoil spring guide (rod)
Receiver assembly
Magazine assembly
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10
Q

Discuss the immediate action to clear a stoppage for the Service Pistol

A

TAP: slap bottom of magazine
RACK: pull the slide to the rear and release
BANG: sight and fire

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11
Q

Discuss the K-Bar fighting knife.

A

• Marines must be trained in knife fighting techniques to defend against attacks when an opponent is either unarmed or armed with a held-held weapon
Experienced techniques can cause enough damage and massive trauma to stop opponents.
Sailor seldom engage in knife fights.

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12
Q

Discuss the handling of Fragmentation grenades.

A
  • Know where all friendly forces are located.
  • Know the sector of fire.
  • Use the buddy or team system.
  • Ensure the projected arc of the fragmentation hand grenade is clear of obstacles
  • Hand held signals/flares
  • Keep away from fire.
  • Don’t handle if damaged or if parts are missing.
  • Handle carefully and use basic issue leather work gloves and full helmet when possible.
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13
Q

Discuss the use of Fragmentation grenades.

A
  • Aim away from face, body and friendly’s
  • Check wind before throwing
  • Avoid overhead obstacles
  • Avoid fallout
  • Maintain 45 degree elevation to launch.
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14
Q

Discuss the characteristics of the M203 grenade launcher.

A

The M203 grenade launcher is a lightweight, single-shot, breech-loaded, pump action, shoulder-fired weapon attached to an M16A1 or A2 rifle

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15
Q

What is the weight and caliber of the M203 grenade launcher?

A

Weight unloaded - 3 lbs

Caliber - 40mm

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16
Q

What is the maximum effective range for the M203 grenade launcher?

A

Area target - 350 meters

Point target - 150 meters

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17
Q

Discuss the characteristics of the M249 machine gun.

A

M240G machine is an air-cooled, belt-fed, gas-operated automatic weapon. The weapon fires from the open-bolt position and is fed by a disintegrating belt of metal links.
Supports offensive and defensive ops.
Provides heavy volume of close, accurate, and continuous fire support.

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18
Q

What are the dimensions of the M249 machine gun?

A 
Total System Weight- 45.6 lbs
Weight of machine gun - 25.6 lbs
Weight of barrel - 6.6 lbs
Length of machine gun - 49 in
Height of machine gun on tripod - 17 in
Caliber - 7.62mm
19
Q

What are the ranges of the M249 machine gun?

A

Max range - 3725 m
Max effective range - 1800 m
Grazing fire - 600m

20
Q

Discuss the characteristics of the M240G machine gun.

A

SAW
Light, squad automatic weapon, gas-operated, air-cooled, belt or mag fed, automatic weapon that fires from the open bolt position.
Ammunition primarily fed from 200-round ammunition box containing a disintegrating metallic split-link belt.
Weapon has a spare barrel to allow quick barrel changes

21
Q

What are the dimensions of the M240G machine gun?

A 
Ammo-Caliber - 5.56 mm
Length - 40.87 in
Weight w/ bipod and tools - 17 lbs
Weight w/ 200 round drum - 23.92 lbs
Weight of just the drum - 6.92lbs
22
Q

What are the ranges of the M240G machine gun?

A

Point targets - 800 m
Area targets - 1000 m
Grazing fire - 600 m
Max - 3600 m

23
Q

Discuss the characteristics of the M2 .50 cal machine gun.

A

Browning.
Belt-fed, recoil-operated, air- cooled, crew-served machine gun. The gun is capable of single shot as well as automatic fire.
Suppress and destroy enemies.
Defend against low-flying hostile aircraft.
Destroy LAVs

24
Q

What are the dimensions of the M2 .50 Cal machine gun?

A

Ammo - Caliber - 50
Total system weight - 128 lbs
Weight of receiver - 60 lbs
Length of barrel - 45 in

25
Q

What are the ranges of the M2 .50 Cal machine gun?

A

Max - 7400 m
Max effective - 1830 m
Grazing fire - 700 m

26
Q

Discuss the characteristics of the MK-19 machine gun.

A

Air cooled, blowback-operated, fully automatic weapon.
Ammunition is fed into the gun by a disintegrating metallic link belt
Employed from a tripod or from a variety of vehicles.

27
Q

What can the MK-19 machine gun be used for:

A

Protect motor movements, assembly areas.
Defend against hovering rotary aircraft and destroy LAVs.
Cover obstacles and provide indirect fires from defilade positions.

28
Q

What are the dimensions of the MK-19 machine gun?

A 
Total system weight - 140.6 lbs
Weight of gun - 75.6 lbs
Weight of gun cradle - 21 lbs
Weight of M3 tripod - 44 lbs
Length of gun - 43.1 in
Caliber - 40mm
29
Q

What is the maximum range of the MK-19 machine gun?

A

Max range - 2,212 meters

30
Q

What is the objective of the 60mm and 81mm mortars?

A

Immediate objective is to deliver a large volume of accurate and timely fire to inflict as many casualties as possible on the enemy.

31
Q

Discuss the characteristics of the 81-mm mortar.

A

81 mm mortar, M29A1, is a smooth-bore, muzzle-loaded, high-angle-of-fire weapon.
Components of the mortar consist of a cannon, mount, and base plate.

32
Q

What are the dimensions of the 81-mm mortar?

A 
The system including basic issue items weighs - 121.5lb
Barrel weighs - 128 lb
Mount weighs - 40 lb
M3 baseplate weighs - 25.4 lb
M23A1 baseplate weighs-48lb
M53 Sight unit - 2.25lb
33
Q

What are the ranges of 81-mm mortar?

A

Min - Max: 70-4737 meters

34
Q

What is the rate of fire of the 81-mm mortar?

A

Sustained - 3-5 rounds per min for 1 min
Max for 2 mins - 12 rounds per min
Max for 5 mins - 12 rounds per min

35
Q

What are the 4 authorized cartridges for the 81-mm mortar, M29A1?

A
  1. High explosive - M374 series and M362 series
  2. White phosphorus - M375 series, M370 series and M57 series
  3. Illuminating - M301 series
  4. Training practice - M68 and M880 (SRTR)
36
Q

Discuss the characteristics of the 60-mm mortar, M224.

A

Mortars are suppressive indirect fire (high-angle-of-fire) weapons. They can be employed to neutralize or destroy area or point targets, screen large areas with smoke, and to provide illumination or coordinated HE/illumination.
Can be fired in the conventional mode or handheld mode.

37
Q

What are the four major components of a 60-mm mortar?

A

The Canon
The bi-pod assembly
The sight unit
The base place M8 or M7

38
Q

What are the dimensions of the 60-mm mortar?

A 
Complete mortar - 46.5 lbs
Cannon, M225 - 18 lbs
Bipod Assembly M170 - 15.2lbs
Sight unit, M64A1 - 14.4 lbs
Base plate - 3.6 lbs
39
Q

What is the range of the 60-mm mortar?

A

70 - 3,490 meters

40
Q

Discuss the M777, 155mm howitzer.

A

It is smaller and 42% lighter than the M198 it replaces.
Transported by MV-22 Osprey, CH-47 helicopter or truck.
Size also improves storage and transport efficiency in military warehouses.
Requires a minimum of 5 on the gun crew to operate, previously was 9 with the M198.

41
Q

Discuss the M14 High Mobility Artillery Rocket System (HIMARS).

A

HIMARS is a highly mobile artillery rocket system that offers MLRS firepower on a wheeled vehicle.
Ideal for medium weight brigades.

42
Q

What is the weight difference between USMC HIMARS and the Army’s MLRS M-270?

A

HIMARS is approximately 15 ton, compared to 27 for the Army’s MLRS M-270.

43
Q

Discuss the Targeted Optical Wire-guided (TOW) weapon system.

A

TOW is a crew portable, vehicle-mounted, heavy anti-armor weapon system consisting of a launcher and one of the five versions of the TOW missile.
Designed to defeat Armored Vehicles.
Range is up to 3,750 meters
The gunner must keep the cross hairs of the sight centered on the target o ensure a hit.
Operates in all weather conditions.
Gunner has day and night sights to identify targets.

FMFWO (19 decks)

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