M4 Flashcards

Board Study

1
Q

Describe the proper procedure for applying remedial action with the M16/A2.

A
  1. Try to place the weapon on Safe.
  2. Remove the magazine.
  3. Lock the bolt to the rear.
  4. Place the weapon on Safe, if not already done.
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2
Q

Describe the proper procedure for applying immediate action with the M16/A2.

A
  1. Slap upward on the magazine.
  2. Pull the charging handle to the rear.
  3. Observe the chamber (if the weapon fails to eject, perform remedial action).
  4. Release the charging handle.
  5. Tap the forward assist to ensure bolt closure.
  6. Squeeze the trigger.
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3
Q

Is SPORTS an Immediate or Remedial action?

A

Immediate

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4
Q

What is immediate action?

A

The quick application of a possible correction to fix a stoppage without troubleshooting the actual cause.

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5
Q

Name the different categories of malfunctions of the m4 Carbine?

A

Failure to feed, chamber, or lock.

  • Failure to fire
  • Failure to extract
  • Failure to eject
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6
Q

What is a stoppage?

A

A stoppage is a failure of an automatic firearm to complete the cycle of operation.

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7
Q

What does CLP stand for?

A
  • Cleaner: it dissolves residue and carbon
  • Lubricant: it lays down a layer of Teflon as it dries to provide lubrication
  • Preservative: it prevents rust from forming
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8
Q

Describe the M4 Carbine rifle.

A

The M4 is an air-cooled, gas-operated, magazine-fed, handheld, shoulder-fired weapon. It fires either on semi-automatic, automatic or three-round burst.

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9
Q

What are the 7 types of ammunition that can be used with the M16/A2 rifle?

A
  1. M193 - Ball
  2. M196 - Trace
  3. M199 - Dummy
  4. M200 - Blank (Violet tip and 7 5. petal rose crimp)
  5. M855 - Ball (Green Tip)
  6. M856 - Tracer (Red Tip)
  7. M862 - Short Range Training Ammunition (Plastic with a Blue Tip)
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10
Q

What is the maximum effective range of the M4?

A

Point Target: 500 meters,

Area Target: 600 meters

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11
Q

What is the maximum range of the M4?

A

3600 meters.

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12
Q

What is the muzzle velocity of the M4?

A

2970 feet per second

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13
Q

What is the weight of the M4?

A

Unloaded with no sling: 6.49lbs
20 Rd mag and sling: 7.19lbs
30 Rd mag and sling: 7.5lbs

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14
Q

What are the four fundamentals of marksmanship?

A
  1. Steady Position
  2. Sight picture and sight alignment
  3. Trigger squeeze
  4. Breathing
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15
Q

What is the FM covering the M4?

A

FM3-22.9

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16
Q

What is the rate of fire for an M4?

A

Semiautomatic: 45 rounds per minute
Burst: 90 rounds per minute
Sustained: 12-15 rounds per minute
Cyclic: 700-950 rounds per minute

17
Q

What are the 8 steps in the functioning of the M4 rifle?

A
Feeding
Chambering
Locking
Firing
Unlocking
Extract ing
Ejecting
Cocking