CA CDC Vol. 2 (1)
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
- Malfun
ction troubleshooting - Ammunition types
What is the approximate muzzle velocity for the M4 carbine?
2970 fps
2975 fps
3100 fps
3500fps
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?
60
70
80
90
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
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