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34 Cards in this Set

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What is the FM concerning the M16/M4 Rifle?

FM 3-22.9

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

Make sure you clear it

Name the five phases in Basic Rifle Marksmanship.

Preliminary Rifle Instruction


Downrange Feedback


Field Fire


Advanced Rifle Marksmanship


Advanced Optics, Laser and Iron Sights

What are the four fundamentals of marksmanship?

Steady Position


Proper Aim (Sight Picture)


Breathing


Trigger Squeeze

What are the two basic elements of the Sight Picture?

Sight Alignment


Placing of the Aiming Point

What does the acronym SPORTS stand for?

Slap, Pull, Observe, Release, Tap and Shoot

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/M4?

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/M4.

Slaps gently upward on the magazine to ensure it is fully seated, and the magazine follower is not jammed.


Pulls the charging handle fully to the rear.


Observes for the ejection of a live round or expended cartridge. (If the weapon fails to eject a cartridge, perform remedial action.)


Releases the charging handle (do not ride it forward).


Taps the forward assist assembly to ensure bolt closure.


Squeezes the trigger and tries to fire the rifle.

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

3,100feet per second

What is the muzzle velocity of the M4 Rifle?

2,970 feet per second

Name the five phases in Basic Rifle Marksmanship.

Preliminary Rifle Instruction


Downrange Feedback


Field Fire


Advanced Rifle Marksmanship


Advanced Optics, Laser and Iron Sights

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

Individual Foxhole supported


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 M4 Rifle.

Failure to feed, chamber or lock


Failure to fire cartridge


Failure to Extract


Failure to Eject

What is stoppage?

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

What is the definition of Maximum Effective Range?

The greatest distance at which a soldier may be expected to deliver a target hit.

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 M4 rifle.

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

What are the 7 types of ammunition that can be used with the M4 Rifle?

M193 – Ball


M196 – Trace


M199 – Dummy


M200 – Blank (Violet tip and 7 petal rose crimp)


M855 – Ball (Green Tip)


M856 – Tracer (Red Tip)


M862 – Short Range Training Ammunition (Plastic with a Blue Tip)


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

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


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

Describe the ranges for the M4 Rifle.

Maximum Range - 3,600 meters


Max Effective Range for a Point Target - 500 meters


Max Effective Range for an Area Target - 600 meters


Describe the Barrel Rifling for the M4 Rifle

Right hand twist 1/7

What is the basic load of ammunition for the M4?

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

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?

Closed


1/2 Open


3/4 Open


Full Open

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

Feeding


Chambering


Locking


Firing


Unlocking


Extracting


Ejecting


Cocking

What part of the M4 Rail Adapter System may be removed to perform PMCS?

Only the Lower Assembly

Describe the procedures for clearing the M4 Rifle.

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


Place the select orlever 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 orlever on SAFE.


Close the ejection port cover.

How do you perform a functions check on the M4 Rifle?

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.


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.


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.

What does S.A.W. stand for?

Squad Automatic Weapon

What is grazing fire?

Horizontal fire in the vicinity of the knee to the waist high area on the enemy