FM 3-22.9 M16/A2-M9 Flashcards
What is the FM concerning the M16/A2 Rifle?
FM 3-22.9
What is the first thing you should do when you handle a weapon?
Clear it
Name the 5 phases in the Basic Rifle Marksmanship?
- Preliminary Rifle Instruction
- Downrange Feedback
- Field Fire
- Adv Rifle Marksmanship
- Adv Optics, Laser, and Iron Sights
What are the 4 fundamentals of marksmanship?
Steady position
Proper Aim
Breathing
Trigger Squeeze
During PMI what are the only 2 positions taught?
Prone supported
Prone unsupported
What are the 2 basic elements of sight picture?
Sight alignment
Placing of the aiming point
What does S.P.O.R.T.S stand for?
Slap Pull Observe Release Tap Squeeze
What is remedial action?
The continuing efforts of clearing stoppage.
Describe the proper procedures for applying remedial action with the M16/A2?
- Try to place the weapon on safe
- Remove the magazine
- Lock the bolt to the rear
- Place the weapon on safe if not already done
Describe the proper procedure for applying immediate action with the M16/A2?
Slap the mag Pull the charging handle Observe the round eject Release the charging handle Tap the forward assist Squeeze the trigger
Is SPORTS immediate or remedial action?
Immediate action
What is immediate action?
Quick on the spot corrections (SPORTS)
How many times should immediate action be applied?
Once
What is a malfunction?
When the weapon ceases to fire due to stoppage
Name the different categories of malfunction on the M16/A2?
Failure to: Feed Fire Extract Eject
What is stoppage?
A failure to complete a cycle of operation.
What is the definition of Max effective range?
The greatest distance a soldier can be expected to hit a target
What does CLP stand for?
Cleaner
Lubricant
Preservative
Describe the M16/A2.
a hand held, shoulder fired, magazine fed, gas operated, air cooled weapon that fires 5.56mm rounds on semi-auto or 3 round bursts
What are the 5 types of ammunition of the M16/A2?
Ball Tracer Dummy Blank Plastic
What are the 4 required steps in order to mechanically zero the M16/A2?
- Adjust the front sight post so it is flushed
- Adjust the elevation knob so the 8/3 marking is aligned with the index line.
- Position the unmarked aperture up
- Rotate the windage knob to align the index mark on sight aperture with the long center index line on the rear assembly
Describe the weight of an M16/A2.
- 78lbs- without mag and sling
- 48lbs- with sling and 20 round mag
- 79lbs- with sling and 30round mag
Describe the max effective rate of fire for the M16/A2.
Semi- 45 rounds per min
Burst- 90 rounds per min
Sustained- 12-15 rounds per min
What is the muzzle velocity of the M16/A2 rifle?
3,100 FPS
Describe the ranges for the M16/A2?
Max range- 3,600m
Max effective range for a point target- 550m
Max effective range for an Area target- 800m
Describe the barrel rifling for the M16/A2?
Right hand twist 1/7
What is the basic load of ammunition for the M16/A2?
210 rounds
7 mags with 30 rounds each
How much does the elevation knob adjusts the point of aim for the M16/A2?
300-800m
What is the overall length of the M16/A2?
39.63in
What are the 8 steps in the functioning of the M16/A2?
- Feeding
- Chambering
- Locking
- Firing
- Unlocking
- Extracting
- Ejecting
- Cocking
Describe the procedures for clearing the M16/A2?
Point the muzzle in a safe direction
Attempt to place the weapon lever on safe
Remove the magazine
Lock the bolt to the rear
Visually inspect the chamber ensuring its empty
Release the bolt forward
Close the ejection port
What FM covers the M4?
FM 3-22.9
Describe the weights of the M4?
- 49lbs- Without mag and sling
- 19lbs- with sling and 20 round mag
- 50lbs- with sling and 30 round mag
What is the muzzle velocity of the M4 Rifle?
2,970 FPS
Describe the ranges of the M4?
Max range- 3,600m
Max effective range for a point target- 500m
Max effective range for an area target- 600m
What are the 4 positions for the buttstock of the M4?
- Closed
- 1/2 open
- 3/4 open
- Full open
What part of the M4 rail adapter system may be removed to perform PMCS?
Only the lower assembly
How do you perform a functions check?
- Place the weapon on safe and pull the trigger (nothing should happen)
- Place weapon on semi, pull and hold the trigger. Then pull the charging handle and release the trigger. (hammer fall)
- Place the selector level on burst, pull the charging handle then pull and hold the trigger. charge the handle 3x and release the trigger. (Hammer fall)
- Place weapon on safe