• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/44

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

44 Cards in this Set

  • Front
  • Back
What is the FM concerning the M16/A2 or M4 Rifle?
FM 3-22.9
Describe the M16/A2 or M4 Rifle.
A 5.56 mm, magazine fed, gas-operated, air-cooled, semiautomatic or three-round burst, hand-held, shoulder-fired weapon.
Name the five phases in Basic Rifle Marksmanship.
1. Preliminary Rifle Instruction
2. Downrange Feedback
3. Field Fire
4. Advanced Rifle Marksmanship
5. Advanced Optics, Laser and Iron Sights
What is the purpose of a weaponeer?
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 offering while using the weaponeer device to include misfire procedures.
What are the four fundamentals of marksmanship?
1. Steady Position
2. Proper Aim (Sight Picture)
3. Breathing
4. Trigger Squeeze
What are the two basic elements of the Sight Picture?
1. Sight Alignment
2. Placing of the Aiming Point
During Preliminary Marksmanship Training (PMI), what are the only two positions taught?
1. Individual Foxhole supported
2. Basic Prone unsupported
What is a malfunction?
The weapon ceasing to fire due to a stoppage resulting from mechanical failure of the weapon, magazine or ammo.
Name the different categories of malfunctions for the M16/A2 or M4 Rifle.
1. Failure to feed, chamber or lock
2. Failure to fire cartridge
3. Failure to Extract
4. Failure to Eject
What is stoppage?
A stoppage is a failure of an automatic or semiautomatic firearm to complete the cycle of operation.
How do you clear a stoppage?
Apply immediate or remedial action
What is immediate action?
Immediate action involves quickly applying a possible correction to reduce a stoppage without performing troubleshooting procedures to determine the actual cause.(SPORTS)
Is SPORTS an Immediate or Remedial Action?
Immediate action
What does the acronym SPORTS stand for?
Slap, Pull, Observe, Release, Tap and Shoot
Describe the proper procedure for applying immediate action with the M16/A2 or M4 Rifle.
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.
How many times should immediate action be applied to a weapon?
Once. (If Rifle still fails to fire, apply remedial action)
What is remedial action?
Remedial action is the continuing effort to determine the cause for a stoppage or malfunction and to try to clear the stoppage once it has been identified.
Describe the proper procedures for applying remedial action with the M16/A2 or M4 Rifle.
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
What are the steps required in order to mechanically zero the M16/A2 or (M4)?
1. Adjust the front sight post up or down until the base of the front sight post is flush with the front sight post housing.

2. Adjust the elevation knob counterclockwise, when viewed from above, until the rear sight assembly rests flush with the (detachable) carrying handle and the 8/3 (6/3) marking is aligned with the index line on the left side of the carrying handle.

3. Position the apertures so the unmarked aperture is up and the 0-200 meter aperture is down. Rotate the windage knob to align the index mark on the 0-200 meter aperture with the long center index line on the rear sight assembly.
What are the steps required in order to battle sight zero the M16/A2 or (M4)?
1. Adjust the elevation knob counterclockwise, when viewed from above, until the rear sight assembly rests flush with the (detachable) carrying handle and the 8/3 (6/3) marking is aligned with the index line on the left side of the detachable carrying handle. The elevation knob remains flush.

2. Position the apertures so the unmarked aperture is up and the 0-200 meter aperture is down. Rotate the windage knob to align the index mark on the 0-200 meter aperture with the long center index line on the rear sight assembly.
What is the first thing you should do when you handle a weapon?
Make sure you clear it
What are the 7 types of ammunition that can be used with the M16/A2 or M4 Rifle?
1.M193 – Ball
2.M196 – Trace
3.M199 – Dummy
4.M200 – Blank (Violet tip, rose crimp)
5.M855 – Ball (Green Tip)
6.M856 – Tracer (Red Tip)
7.M862 – Short Range Training Ammunition (Plastic with a Blue Tip)
8. M855A1 - Enhanced Performance Round
Describe the max effective rates of fire for the M4 Rifle.
• Semiautomatic - 45 rounds per minute
• Burst - 90 rounds per minute
• Sustained - 12-15 rounds per minute
What is the basic load of ammunition for the M4?
7 magazines with 30 rounds in each, 210 rounds total.
Describe the Barrel Rifling for the M16/A2 or M4 Rifle.
Right hand twist, 1 turn every 7 inches (1:7)
What is the basic load of ammunition for the M16/A2 or M4 Rifle?
7 magazines with 30 rounds in each, 210 rounds total.
The elevation knob adjusts the point of aim for the M4 Rifle how much?
300 to 600 meters
What is the overall length of the M4 Rifle?
•Buttstock Closed - 29.75 inches
•Buttstock Open - 33.00 inches
What are the four positions for the buttstock of the M4 Rifle?
1.Closed
2.1/2 Open
3.3/4 Open
4.Fully Open
What are the 8 steps in the functioning of the M16/A2 or M4 Rifle?
1. Feeding
2. Chambering
3. Locking
4. Firing
5. Unlocking
6. Extracting
7. Ejecting
8. Cocking
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.
•No Mag, no Sling - 6.49lbs
•Sling and loaded 20rnd magazine - 7.19lbs
•Sling and loaded 30rnd magazine - 7.50lbs
What part of the M4 Rail Adapter System may be removed to perform PMCS?
Only the Lower Assembly
Describe the procedures for clearing an M16/A2 or M4 Rifle.
1. 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.

2. Remove the magazine by depressing the magazine catch button and pulling the magazine down.

3. 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 fullforward position. If you have not done so before, place the selector lever on SAFE.

4. Visually inspect the receiver and chamber to ensure these areas contain no ammo.

5. With the select orlever pointing toward SAFE, allow the bolt to go forward by pressing the upper portion of the bolt catch.

6. Place the select or lever on SEMI and squeeze the trigger.

7. Pull the charging handle to the rear and release it, allowing the bolt to return to the full forward position.

8. Place the select or lever on SAFE.

9. Close the ejection port cover.
How do you perform a functions check on the M16/A2 or M4 Rifle?
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.

2. Pull the trigger to the rear, the hammer should not fall.

3. Place the selector lever on semi. Pull the trigger to the rear and hold. The hammer should fall.

4. 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.

5. 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.

6. 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.

7. Pull the charging handle to the rear and release, then place the selector on SAFE.
What does CLP stand for?
• 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.
Describe the weights of the M16/A2 Rifle.
• No sling or magazine - 7.78 lbs
• Sling and loaded 20rnd magazine - 8.48 lbs
• Sling and loaded 30rnd magazine - 8.79 lbs
Describe the ranges for the M4 Rifle.
• Maximum Range - 3,600m
• Max Effective Range Point Target - 500m
• Max Effective Range Area Target - 600m
Describe the ranges for the M16/A2 Rifle.
• Max Effective Range Point Target - 550m
• Max Effective Range Area Target - 800m
• Maximum Range - 3,600m
The elevation knob adjusts the point of aim for the M16A2 Rifle how much?
300 to 800 meters
What is the muzzle velocity of the M4 Rifle?
2,970 fps
What is the overall length of the M16/A2 Rifle?
39.63 inches
What is the muzzle velocity of the M16/A2 Rifle?
3,100 fps
What improvements does the M855A1 round bring? (M4)
• Propellant burns faster and cleaner which:
- Increases Muzzle Velocity
- Reduces Muzzle Flash

• When round penetrates, the slug and penetrator separate, doubling probability of hit.
• Can penetrate:
- 3/8" Steel @ 350m
- Cinder Block @ 50m
- 7.62mm rated Armor plates @ CQB
- Glass without shattering

• No trajectory differential
• 100% accurate @ 600m against point target
What improvements does the M855A1 round bring? (M4)
• Propellant burns faster and cleaner which:
- Increases Muzzle Velocity
- Reduces Muzzle Flash

• When round penetrates, the slug and penetrator separate, doubling probability of hit.
• Can penetrate:
- 3/8" Steel @ 350m
- Cinder Block @ 50m
- 7.62mm rated Armor plates @ CQB
- Glass without shattering

• No trajectory differential
• 100% accurate @ 600m against point target