M240 Machine Gun

Question 1

Characteristics of the M240

Answer 1

Air cooled, gas operated, fully automatic, fires from the open bolt position, fixed headspace, mounted externally.

Question 2

What is the caliber of the M240?

Answer 2

7.62mm NATO

Question 3

Do pilots have the ability to fire?

Answer 3

No

Question 4

Rate of fire is . . .

Answer 4

variable and selected by three gas port regulator settings.

Question 5

RPM of setting 1

Answer 5

750 Rounds per minute

Question 6

RPM of setting 2

Answer 6

850 Rounds per minute

Question 7

RPM of setting 3

Answer 7

950 Rounds per minute

Question 8

Maximum range

Answer 8

3000 meters

Question 9

Tracer burnout

Answer 9

750 meters

Question 10

True/False the M240 is free pointing

Answer 10

True

Question 11

Limitations of the M240

Answer 11

Limited in the azimuth, elevation, and depression

Question 12

Advantages of the M240

Answer 12

Simplicity, standardization(among NATO forces), and superior reliability.

Question 13

Disadvantages of the M240

Answer 13

Single barrel design

Question 14

How many major components does the M240 have?

Answer 14

Eight

Question 15

What are the major components of the M240?

Answer 15

1. Barrel Assembly
2. Buffer and spade grip assembly
3. Driving Spring Rod Assembly
4. Bolt and Operating Rod Assembly
5. Cover Assembly
6. Trigger Housing Assembly
7. Feed Tray
8. Receiver Assembly

Question 16

Houses Cartridge for firing and directs projectile

Answer 16

Barrel Assembly

Question 17

Absorbs recoil for bolt and operating rod assembly at the end of recoil movement.

Answer 17

Buffer and spade grip assembly

Question 18

Provides energy for returning bolt and operating rod to the firing position

Answer 18

Driving Spring Rod Assembly

Question 19

Provides feeding, stripping, chambering, firing, extraction, and ejection of cartridges using the projectile propelling gases for power.

Answer 19

Bolt and Operating Rod Assembly

Question 20

Feed the linked belt into the gun, positions and hold the cartridge for, stripping, feeding, and chambering.

Answer 20

Cover Assembly

Question 21

Controls the firing of the machine gun.

Answer 21

Trigger Housing Assembly

Question 22

Serves as a guide for positioning cartridges to assist in chambering.

Answer 22

Feed Tray

Question 23

Serves as support for all major components

Answer 23

Receiver Assembly

Question 24

Controls of the M240

Answer 24

1. Barrel locking latch
2. Barrel Release
3. Safety
4. Cover Latches(2)

Question 25

Located on the front of the receiver assembly and is used to unlock the barrel when removing it and to keep the barrel attached to the receiver.

Answer 25

Barrel locking latch

Question 26

Used to remove the barrel, while depressing the Barrel Locking Latch; also serves as weapon carrying handle.

Answer 26

Barrel Release

Question 27

Consists of a cylindrical pin with a sear clearance cut which slides across the receiver to block the seat and prevent firing. The ends of the pin are marked S(Safe) and F(Fire)

Answer 27

Safety

Question 28

Both are located at the aft end of the cover assembly.

Answer 28

Cover Latches(2)