Basic Ops Of Small Arms

Question 0

What are the three feeding mechanisms?

Answer 0

1. Magazines
2. Belts
3. Clips

Question 1

What are the eight steps in the cycle of operations?

Answer 1

1. Feeding
2. Chambering
3. Locking
4. Firing
5. Unlocking
6. Extracting
7. Ejecting
8. Cocking

Question 2

What are the five types of cartridges?

Answer 2

1. Rimmed cartridge
2. Semi-rimmed cartridge
3. Rimless cartridge
4. Belted cartridge
5. Rebated cartridge

Question 3

What are the five varieties of firing pins?

Answer 3

1. Free-floating
2. Inertia
3. Percussion
4. Striker
5. Fixed

Question 4

What are the only three ways firing pins receive their energy?

Answer 4

1 a larger mass strikes them (free floating)
2 a spring provides their energy (inertia, percussion, striker)
3 their own mass provides the energy (fixed)

Question 5

What are the two types of primers?

Answer 5

1 Boxer

2 berdan

Question 6

What are the eight types of locking systems?

Answer 6

1 rotating bolt
2 rising/lowering bolt
3 swinging bolt
4 rising barrel
5 rotating barrel
6 rollers
7 locking block
8 locking flaps

Question 7

List the eight operating systems.

Answer 7

1 bolt action
2 blowback
3 delayed blowback
4 recoil
5 recoil with gas assist
6 gas operation 
7 Manual pump
8 revolving cylinder

Question 8

What are the three types of gas systems?

Answer 8

1 gas blast
2 gas tappet
3 gas direct

Question 9

What are the three types of magazines?

Answer 9

1 box
2 drum
3 pan

Question 10

What are the two types of links for belt fed weapons?

Answer 10

1 split link SL

2 fully encased link FE

Question 11

What are the two types of link belts?

Answer 11

1 non-disintegrating

2 disintegrating

Question 12

What are the two types of clips?

Answer 12

1 En-block clip

2 stripper clip

Question 13

How do the three leaves of the sear spring in the 1911 function?

Answer 13

The left applies constant forward pressure on the sear; the center applies constant upward pressure on the Disconnector; the right applies constant rearward pressure on the grip safety.

Question 14

What is the difference between boxer and berdan primers?

Answer 14

Boxer - one flash hole. anvil and flash powder built in

Berdan - two flash holes. Only flash powder built in. Anvil part of the cartridge case with two flash holes. Non-reloadable