CA CDC Vol. 2 (1)

A highly detailed image of an M4 carbine with various parts labeled, surrounded by military-themed elements like camouflage and weapons training equipment.

M4 Carbine Knowledge Quiz

Test your knowledge on the M4 Carbine and its key components with this engaging quiz! Designed for enthusiasts, military personnel, and anyone interested in firearms, this quiz will challenge your understanding of the M4's specifications, operational standards, and safety protocols.

Whether you are preparing for certification or just want to learn more about this iconic weapon, this quiz covers:

Muzzle velocity
Assembly parts
Malfunction troubleshooting
Ammunition types

10 Questions2 MinutesCreated by ShootingStar524

Which assembly houses the trigger assembly, sear, hammer assembly, selector lever, rifle grip, bolt catch, and buttstock assembly?

Bolt carrier assembly

Charging handle assembly

Upper receiver and barrel assembly

Lower receiver and buttstock assembly

The test or inspection on the M4 carbine for a failure to chamber malfunction requires an inspection of the action spring. What is the free length for the action spring on the M4?

10 1/6in minimum to 11 1/4in maximum

10 1/6in minimum to 13 1/2in maximum

11 1/4in minimum to 11 3/4in maximum

11 3/4in minimum to 13 1/2in maximum

You have experienced a short recoil malfunction and found improper gap space in the gas rings. To prevent this from happening again, the bolt rings should be staggered approximately?

1/2 turn apart

1/3 turn apart

1/4 turn apart

1/8 turn apart

If you replace the bolt carrier key, how many rounds of blank or ball ammunition must be fired to ensure a seal is created?

3 to 8

4 to 6

6 to 8

8 to 10

You should never fire blank ammunition at a target distance less then how many feet away from you?

10 feet

15 feet

20 feet

25 feet

Which is the standard round used in the M16A2 and the M4 series weapons and also linked and used in the M249?

CCMK M1042

Cartridge, 5.56mm AP M995

Cartridge, 5.56mm, tracer, M856

Cartridge, 5.56mm, ball, M855

Cartridge 5.56mm, tracer, M856 should not be used in the M16A1 except under emergency conditions and only at targets less than how many meters in the distance?

If adequate range facilities are not available for sustainment training, short range training ammunition (SRTA) can be used for any firing exercise of?

15 meters or less

20 feet or less

25 meters or less

30 feet or less

Which part of the M9 pistol sits between the firing pin striker and the firing pin?

Trigger block

Hammer block

Firing pin block

Slide stop

CA CDC Vol. 2 (1)

M4 Carbine Knowledge Quiz

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