-
What Caliber is the M4 Carbine?
5.56mm
-
What are the standard issue rounds for the M4 Carbine?
M855 Ball/M856 Tracer
-
Can M193 Ball and M196 Tracer be safely fired in the M4 carbine?
Yes
-
How can M855 Ball ammunition be identified?
Green colored tip
-
How many rounds can be loaded into standard issued M4 Carbine?
30 Rounds
-
What is the purpose on the compensator on the M4 carbine?
Helps keep the muzzle from rising during firing
-
What is the correct description of the M4 carbine?
Light weight, gas operated, air cooled, magazine fed, shoulder fired weapon
-
What is the cycle of operations for the M4 carbine beginning at the press of a trigger?
Firing, Unlocking, Extracting, Ejecting, Cocking, Feeding, Chambering, Locking.
-
What is the maximum effective range of the M4 carbine on a "Point Target"?
500m
-
What is the maximum effective range of the M4 carbine on a "Area Target"?
600m
-
What is the maximum effective rate of fire on "SEMI" for the M4 carbine?
45 RPM
-
What is the maximum effective rate of fire on "Burst" for the M4 carbine?
90 RPM
-
What is the maximum range of fire for the M4 carbine?
3600m
-
What is the cyclic rate of fire for the M4 carbine?
700/970 RPM
-
What is the sustained rate of fire for the M4 carbine?
12-15 RPM
-
What are the proper clearing procedures when turning in the M4 carbine?
- -Remove Magazine
- -Ensure is on safe
- -Lock the bolt to the rear and visually inspect chamber
- -Verify is on Safe and clear of ammunition
-
What are the proper loading procedures for the M4 carbine at a clearing barrel?
- Verify weapon is clear
- Depress bolt release
- Close ejection port cover
- Press trigger hammer should not fall
- Insert magazine
-
If you pull the trigger and your M4 carbine fails to fire, what must you do?
Quickly apply Immediate Action procedures
-
How soon should "Immediate Action" be applied to avoid possible cook-off of a round?
10 seconds
-
If after applying "Immediate Action" to your M4 carbine, it still fails to fire, what action should be taken?
Appy "Remedial Action" procedures
-
If you cannot remove a round from the "hot" chamber of your M4 carbine within 10 seconds what action should you take?
- Keep face away from the ejection port
- Point weapon in a safe direction, remove the magazine and let weapon cool for 15 minutes
-
What is the definition of a "Cook-off"?
A round that fires as a result of a hot chamber without the trigger being pulled
-
What will you experience if a round is fired through the M4 without enough force to send the projectile through the barrel?
Audible "Pop" or reduced recoil
-
What should you do if you hear an audible pop or experience a noticeable change in felt recoil while firing the m4 carbine?
DO NOT apply "Immediate Action", stop firing immediately
-
What could result from light recoil?
A Projectile could be lodged in the barrel
-
What type of malfunction is considered "extremely serious" because of the hazard to the shooter?
Failure to extract
-
What 3 type of lubricant are authorized for use on the M4 carbine?
CLP, LSA, LAW
-
What temperature ranges require you to use CLP or LSA on your M4 carbine?
-10 F and above
-
Can two different types of lubricant be used simultaneously on the M4 carbine?
No
-
What is the definition of "Lightly Lubricated"?
Barely visible to the eye
-
Under hot, wet (jungle) conditions, how should the m4 carbine be lubricated?
Clean and lubricated more frequently with LSA and CLP
-
In a hot (desert) climate, what must be continually cleaned from the weapon to prevent stoppages?
Sand and Dust
-
In a hot (desert) climate, how often should you cleam your M4 carbine?
Clean daily and after firing
-
In a hot (desert) climate, what can you do to help keep dust and sand out of you M4 carbine?
- Use a muzzle cap
- Keep ejection port closed
- Keep magazine Installed
- Use a protective bag
-
What lubricant is also used to clean the M4 carbine?
CLP
-
What Item from your cleaning kit should be used to clean the firing pin hole in the bolt of the M4 carbine?
Pipe cleaner
-
How is the chamber brush used to clean the M4 carbine chamber?
- Attach to a cleaning rod handle
- Dip in CLP
- Insert in chamber and locking lugs
- Execute pushing and twisting strokes
-
When operating under normal conditions, how should the outside of the M4 carbine barrel assembly be lubricated?
Lightly with CLP and LSA
-
During cleaning and inspection of the M4 carbine, what items should you check on the barrel assembly?
- Compensator looseness
- Front sight post not bend
- Gas tube not bent or cracked
-
Which statement is true about the characteristics of the M68 Close Combat Optic?
Does not require the red aiming dot to be aligned in the center of the scope
-
The M68 Close Combat Optic is designed to be utilized with which of the following?
Both eyes open
-
T or F?. The initial burts on the M4/M16A2 may be one , two or three shots.
True
-
The proper focus of the eye while firing with the back up sight is the:
Front sight
-
Proper____________ with the backup iron sights incorporates the following elements:
target and properly aligned front and rear sights.
Sight picture
-
The term used for the point when most of the air in the lungs has been exhaled before inhaling is called the:
Natural Respiratory Pause
-
T or F?. The precise instant of firing should be a surprise to the shooter.
True
-
Proper follow-through after the weapon fires consists of all of the following except?
Releasing the trigger immediately after the report is heard
-
True or False?. At higher intensity settings. the red dot may be visible through the front of the M68 CCO.
True
-
The four fundamentals of marksmanship are:
- Steady position
- Aiming
- Breath control
- Trigger Squeeze
-
Charging the M4 does the following:
-
A_____________ is defined as a failure of the weapon to complete the cycle of operation.
Stoppage
-
________ are cause by mechanical failures of the weapon, magazine, or ammunition.
Malfunctions
-
True or False. Accessories mounted to the bottom rail of the adapter system will retain zero.
False
-
The range determination method where the shooter determines how many 100-Meter increments exist between two points is called the:
100-Meter Unit of Measure Method
-
T or F?. Anything that limits visibility of an object or surrounding terrain will limit the effectiveness of range estimation techniques.
True
-
What factor(s) affect range estimation?
- Nature of target
- Nature of terrain
- Light conditions
|
|
