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ARMY STUDY GUIDE > ***WEAPONS M16/A2 5.56mm Semiautomatic Rifle > Flashcards

***WEAPONS M16/A2 5.56mm Semiautomatic Rifle Flashcards

1
Q

Describe the M16/A2 Rifle.

A

A 5.56 mm, magazine fed, gas-operated, air-cooled, semiautomatic or three-round burst, hand-held, shoulder-fired
weapon.

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2
Q

What is the FM concerning the M16/A2 Rifle?

A

FM 3-22.9

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3
Q

What is the first thing you should do when you handle a weapon?

A

Make sure you clear it

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4
Q

Name the five phases in Basic Rifle Marksmanship.

A
  1. Preliminary Rifle Instruction
  2. Downrange Feedback
  3. Field Fire
  4. Advanced Rifle Marksmanship
  5. Advanced Optics, Laser and Iron Sights
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5
Q

What is the purpose of a weaponeer?

A

The weaponeer is capable of simulating all of the BRM live fire scenarios without firing rounds. Immediate feedback
is available for critiquing the soldier’s application of the integrated act of firing while using the weaponeer device to
include misfire procedures.
(FM 3-22.9 Apr 2003 / 4-8 / PDF 84)

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6
Q

What are the four fundamentals of marksmanship?

A
  1. Steady Position
  2. Proper Aim (Sight Picture)
  3. Breathing
  4. Trigger Squeeze
    (FM 3-22.9 Apr 2003 / 4-5 / PDF 76)
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7
Q

During Preliminary Marksmanship Training (PMI), what are the only two positions taught?

A
  1. Individual Foxhole supported
  2. Basic Prone unsupported
    (FM 3-22.9 Apr 2003 / 4-6 / PDF 82)
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8
Q

What are the two basic elements of the Sight Picture?

A
  1. Sight Alignment
  2. Placing of the Aiming Point
    (FM 3-22.9 Apr 2003 / 4-5 / PDF 79)
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9
Q

What does the acronym SPORTS stand for?

A

Slap, Pull, Observe, Release, Tap and Shoot

FM 3-22.9 Apr 2003 / 3-1 / PDF 57

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10
Q

What is remedial action?

A

Remedial action is the continuing effort to determine the cause for a stoppage ormal function and to try to clear the
stoppage once it has been identified.
(FM 3-22.9 Apr 2003 / 3-1 / PDF 57)

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11
Q

Describe the proper procedures for applying remedial action with the M16/A2 and M4

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
    (FM 3-22.9 Apr 2003 / 3-1 / PDF 57)
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12
Q

Describe the proper procedure for applying immediate action with the M16/A2 and M4

A
  1. Slaps gently upward on the magazine to ensure it is fully seated, and the magazine follower is not jammed.
  2. Pulls the charging handle fully to the rear.
  3. Observes for the ejection of a live round or expended cartridge. (If the weapon fails to eject a cartridge, perform
    remedial action.)
  4. Releases the charging handle (do not ride it forward).
  5. Taps the forward assist assembly to ensure bolt closure.
  6. Squeezes the trigger and tries to fire the rifle.
    (FM 3-22.9 Apr 2003 / 3-1 / PDF 57)
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13
Q

Is SPORTS an Immediate or Remedial Action?

A

Immediate action

FM 3-22.9 Apr 2003 / 3-1 / PDF 57

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14
Q

What is immediate action?

A

Immediate action involves quickly applying a possible correction to reduce a stoppage without performing
troubleshooting procedures to determine the actual cause.(SPORTS)
(FM 3-22.9 Apr 2003 / 3-1 / PDF 57)

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15
Q

How many times should immediate action be applied to a weapon?

A

Once. (If Rifle still fails to fire, apply remedial action)

FM 3-22.9 Apr 2003 / 3-1 / PDF 57

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16
Q

What is a malfunction?

A

The weapon ceasing to fire due to a stoppage resulting from mechanical failure of the weapon, magazine or ammo.
(FM 3-22.9 Apr 2003 / 3-2 / PDF 58)

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17
Q

Name the different categories of malfunctions on the M16/A2 and M4

A
  1. Failure to feed, chamber or lock
  2. Failure to fire cartridge
  3. Failure to Extract
  4. Failure to Eject
    (FM 3-22.9 Apr 2003 / 3-2 / PDF 58)
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18
Q

What is stoppage?

A

A stoppage is a failure of an automatic or semiautomatic firearm to complete the cycle of operation..
(FM 3-22.9 Apr 2003 / 3-1 / PDF 57)

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19
Q

How do you clear a stoppage?

A

Apply immediate or remedial action

FM 3-22.9 Apr 2003 / 3-1 / PDF 57

20
Q

What is the definition of Maximum Effective Range?

A

The greatest distance at which a soldier may be expected to deliver a target hit.
(FM 3-22.9 Apr 2003 / Glossary / PDF 336)

21
Q

What does CLP stand for?

A

Cleaner - It contains solvents that dissolve firing residue and carbon.
Lubricant - It lays down a layer of teflon as it dries to provide lubrication.
Preservative - It prevents rust from Forming.

22
Q

What are the 7 types of ammunition that can be used with the M16/A2 and M4 Rifle?

A
  1. M193 – Ball
  2. M196 – Trace
  3. M199 – Dummy
  4. M200 – Blank (Violet tip and 7 petal rose crimp)
  5. M855 – Ball (Green Tip)
  6. M856 – Tracer (Red Tip)
  7. M862 – Short Range Training Ammunition (Plastic with a Blue Tip)
    (FM 3-22.9 Apr 2003 / 2-11 / PDF 52)
23
Q

What are the four steps required in order to zero the M16/A2 (mechanically zero)?

A
  1. Adjust the front sight post (1) up or down until the base of the front sight post is flush with the front sight post
    housing (2).
  2. Adjust the elevation knob (3) counterclockwise, as viewed from above, until the rear sight assembly(4) rests flush
    with the carrying handle and the 8/3 marking is aligned with the index line on the left side of the carrying handle.
  3. Position the apertures(5) so the unmarked aperture is up and the 0-200 meter aperture is down. Rotate the windage
    knob (6) to align the index mark on the 0-200 meter aperture with the long center index line on the rear sight
    assembly.
    (FM 3-22.9 Apr 2003 / 2-1 / PDF 30)
24
Q

What are the steps required in order to zero the M16/A2 (battlesight zero)?

A
  1. Adjust the elevation knob (1) counterclockwise, as viewed from above, until the rear sight assembly(2) rests flush
    with the carrying handle and the 8/3 marking is aligned with the index line (3) on the left side of the carrying
    handle. Then adjust the elevation knob one more click clockwise.
  2. Position the apertures(4) so the unmarked aperture is up and the 0-200 meter aperture is down. Rotate the windage
    knob (5) to align the index mark on the 0-200 meter aperture with the long center index line on the rear sight
    assembly.
25
Q

Describe the weights of the M16/A2 Rifle.

A

Without Magazine and Sling - 7.78 pounds
With Sling and a loaded 20 round magazine - 8.48 pounds
With Sling and a loaded 30 round magazine - 8.79 pounds
(FM 3-22.9 Apr 2003 / 2-1 / PDF 27)

26
Q

Describe the max effective rates of fire for the M16/A2 Rifle.

A

Semiautomatic - 45 rounds per minute
Burst - 90 rounds per minute
Sustained - 12-15 rounds per minute
(FM 3-22.9 Apr 2003 / 2-1 / PDF 27)

27
Q

What is the muzzle velocity of the M16/A2 Rifle?

A

3,100feet per second

FM 3-22.9 Apr 2003 / 2-1 / PDF 27

28
Q

Describe the ranges for the M16/A2 Rifle.

A

Maximum Range - 3,600 meters
Max Effective Range for a Point Target - 550 meters
Max Effective Range for an Area Target - 800 meters
(FM 3-22.9 Apr 2003 / 2-1 / PDF 27)

29
Q

Describe the Barrel Rifling for the M16/A2 Rifle.

A

Right hand twist 1/7

FM 3-22.9 Apr 2003 / 2-1 / PDF 27

30
Q

What is the basic load of ammunition for the M16/A2 Rifle?

A

210 Rounds total. (7 magazines with 30 rounds in each)

31
Q

The elevation knob adjusts the point of aim for the M16A2 Rifle how much?

A

300 to 800 meters

32
Q

What is the overall length of the M16/A2 Rifle?

A

39.63inches

FM 3-22.9 Apr 2003 / 2-1 / PDF 27

33
Q

What are the 8 steps in the functioning of the M16/A2 rifle?

A
  1. Feeding
  2. Chambering
  3. Locking
  4. Firing
  5. Unlocking
  6. Extract ing
  7. Ejecting
  8. Cocking
    (FM 3-22.9 Apr 2003 / 4-2 / PDF 66)
34
Q

Describe the procedures for clearing the M16/A2 Rifle and M4

A

Point the muzzle in a designated SAFE DIRECTION. Attempt to place selector lever on SAFE. If weapon is not
cocked, lever cannot be placed on SAFE.
Remove the magazine by depressing the magazine catch button and pulling the magazine down.
To lock bolt open,pull charging handle rearward. Press bottom of bolt catch and allow bolt to move forward until
it engages bolt catch. Return charging handle to full forward position. If you have not done so before, place the
selector lever on SAFE.
Visually (not physically) inspect the receiver and chamber to ensure these areas contain no ammo.
With the select or lever pointing toward SAFE, allow the bolt to go forward by pressing the upper portion of the
bolt catch.
Place the select or lever on SEMI and squeeze the trigger.
Pull the charging handle fully rearward and release it, allowing the bolt to return to the full forward position.
Place the select or lever on SAFE.
Close the ejection port cover.
(FM 3-22.9 Apr 2003 / 4-1 / PDF 66)

35
Q

How do you perform a functions check on the M16/A2 and M4 Rifle?

A
  1. Place the selector lever on safe. If the selector switch will not go on safe, pull the charging handle to the rear
    and release. Place the selector lever on safe. Pull the trigger to the rear, the hammer should not fall.
  2. Place the selector lever on semi. Pull the trigger to the rear and hold. The hammer should fall. While holding
    the trigger to the rear, pull the charging handle to the rear and release. Release the trigger and pull it to the rear again. The hammer should fall.
  3. Place the selector lever on burst. Pull the charging handle to the rear and release. Pull the trigger to the rear and
    hold. The hammer should fall. While holding the trigger to the rear, pull the charging handle to the rear three
    times and release. Release the trigger and pull it to the rear again. The hammer should fall
36
Q

Describe the weights of the M4 Rifle without mgazine and sling, with sling and loaded 20 round magazine and
with sling and loaded 30 round magazine.

A

Without Magazine and Sling - 6.49 pounds
With Sling and a loaded 20 round magazine - 7.19 pounds
With Sling and a loaded 30 round magazine - 7.50 pounds
(FM 3-22.9 Apr 2003 / 2-1 / PDF 27)

37
Q

Describe the max effective rates of fire for the M4 Rifle.

A

Semiautomatic - 45 rounds per minute
Burst - 90 rounds per minute
Sustained - 12-15 rounds per minute
(FM 3-22.9 Apr 2003 / 2-1 / PDF 27)

38
Q

What is the muzzle velocity of the M4 Rifle?

A

2,970 feet per second

FM 3-22.9 Apr 2003 / 2-1 / PDF 27

39
Q

Describe the ranges for the M4 Rifle.

A

Maximum Range - 3,600 meters
Max Effective Range for a Point Target - 500 meters
Max Effective Range for an Area Target - 600 meters
(FM 3-22.9 Apr 2003 / 2-1 / PDF 27)

40
Q

Describe the Barrel Rifling for the M4 Rifle.

A

Right hand twist 1/7

FM 3-22.9 Apr 2003 / 2-1 / PDF27

41
Q

What is the basic load of ammunition for the M4?

A

210 Rounds total. (7 magazines with 30 rounds in each)

42
Q

The elevation knob adjusts the point of aim for the M4 Rifle how much?

A

300 to 600 meters

FM 3-22.9 Apr 2003 / 7-31 / PDF 195

43
Q

What is the overall length of the M4 Rifle?

A

Buttstock Closed - 29.75 inches
Buttstock Open - 33.00 inches
(FM 3-22.9 Apr 2003 / 2-1 / PDF 27)

44
Q

What are the four positions for the buttstock of the M4 Rifle?

A
  1. Closed
  2. 1/2 Open
  3. 3/4 Open
  4. Full Open
    (FM 3-22.9 Apr 2003 / 2-1 / PDF 33)
45
Q

What part of the M4 Rail Adapter System may be removed to perform PMCS?
Only the Lower Assembly
(FM 3-22.9 Apr 2003 / 2-2 / PDF 35)

A

Only the Lower Assembly

ARMY STUDY GUIDE (57 decks)

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