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15 Cards in this Set

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  • Back
What are the 8 steps in the functioning of the M4 rifle?
Feeding
Chambering
Locking
Firing
Unlocking
Extracting
Ejecting
Cocking
What is the M4’s overall length?
Buttstock closed – 29.75 inches
Buttstock open – 33.00 inches
The barrel rifling for the M4 is…
Right hand twist 1/7
The muzzle velocity for the M4 is…
2,970 feet per second
Describe the max effective rates of fire for the M4…
Semiautomatic – 45 rounds per minute
Burst – 90 rounds per minute
Sustained – 12 to 15 rounds per minute
Cyclic – 700 to 970 rounds per minute
How much does the M4 weigh?
Without mag and sling – 6.49 pounds
With sling and 30 round mag – 7.5 pounds
What are the 7 types of ammo used with the M4?
M193 – Ball
M196 – Trace
M199 – Dummy
M200 – Blank
M855 – Ball
M856 – Tracer
M862 – Short range training ammo
Describe the M4 Rifle…
A 5.56 mm
Mag fed
Gas-operated
Air-cooled
Semi-auto or three-round burst
Hand-held
Shoulder-fired
What is the M4’s max effective range on a point target?
500 M
Describe the acronym used for immediate action for the M4…
S-slap
P-pull
O-observe
R-release
T-tap
S-shoot
Who is responsible for cleaning the M4 Rifle?
The individual using the weapon
When should you check to see if the M4 was cleaned properly?
Before and after using the weapon
What cleaner is used on the M4 after firing and for periodic cleaner?
RBC-Rifle-bore cleaner
CLP-Cleaner, lubricant, preservative
Which lubricant is used on the M4 if the temp drops below 0 degrees?
LAW
What is used to clean the gas-relief ports on the bolt-carrier?
Pipe cleaner