FGHT 1003 M16A4 SERVICE RIFLE MAINTENANCE

Question 1

What are the four stoppage indicators for an M16A4?

Answer 1

1. Bolt is Forward or the Ejection Port Cover is Closed
2. Visible Obstruction
3. Bolt Locked to the Rear and the Ejection Port is Open
4. Audible Pop, Reduced Recoil, or Black Smoke.
5. Brass is Stuck Above the Bolt

Question 2

Identify the nomenclatures of an M16A4 service rifle without error?

Answer 2

The service rifle is composed of three main groups: the upper receiver, lower receiver, and bolt carrier group.

Question 3

“Upper Receiver” composed of ?

Answer 3

a. Compensator
b. Front sight assembly
c. Bayonet Stud
d. Barrel
e. Hand Guards
f. Slip Ring
g. Carrying handle
h. rear right assembly consist of three subcategories
i. Ejection port
j. Ejection port cover
k. Spent Brass Deflector
l. Forward assist

Question 4

“Lower Receiver” composed of ?

Answer 4

a. Magazine Release Button
b. Trigger/Guard
c. Rear/ Front Takedown pins
d. Selector Lever
e. Pistol Grip
f. Bolt Catch
g. Charging Handle
h. Buttplate Assembly
i. Buttstock

Question 5

“Bolt carrier group” composed of?

Answer 5

• Bolt carrier
• carrier key
• Bolt gas rings
• Bolt
• Extractor
• Firing Pin
• Cam Pin
• Firing Pin/ Retaining Pin.