Basic Operations of Small Arms

Question 1

List the 8 steps in the Cycles of Operation

Answer 1

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

Question 2

List the 3 Feeding Mechanisms

Answer 2

1. Magazines
2. Belts
3. Clips

Question 3

What are the 3 types of Magazines

Answer 3

1. Box
2. Pan
3. Drum

Question 4

What are the 2 types of Boxed Magazines

Answer 4

1. Staggered Box

2. In Line Box

Question 5

What are the 4 types of Belts?

Answer 5

1. SLD MLB
2. SLND MLB
3. FED MLB
4. FEND MLB

Question 6

What are the 2 types of clips?

Answer 6

1. En-Bloc Clip

2. Stripper Clip

Question 7

What are the 5 types of cartidges

Answer 7

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

Question 8

What are the 5 varieties of firing pins?

Answer 8

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

Question 9

What are the 3 ways firing pins receive their energy?

Answer 9

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 10

What are the 2 types of primers?

Answer 10

1. Boxer- 1 flash hole, has anvil and flash powder built in

2. Berdan- 2 flash holes, only has flash powder. Anvil is built into the cartridge case. It is non-reloadable.

Question 11

List the 8 locking systems

Answer 11

1. Rotating Bolt
2. Rising/Lowering Bolt
3. Swing Bolt
4. Rising Barrel
5. Rotating Barrel
6. Rollers
7. Locking Flaps
8. Locking Block

Question 12

List the 8 operating systems

Answer 12

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 13

What are the 3 types of gas operated systems

Answer 13

1. Gas Blast
2. Gas Tappet
3. Gas Direct