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Flashcards in M240 Deck (24):
1

How much does the M240 weigh?

26.7 lbs

2

What is the lenght of the M240?

49 in

3

What is the max range of the M240?

3,725 meters

4

What is the max effective range of the M240?

1,100 meters

5

What are the three rates of fire of the M240?

Sustained, Rapid, Cyclic

6

M240 - How many rounds per minute are fired during a sustained rate of fire?

100 rounds per minute

7

M240 - How many rounds per minute are fired during a rapid rate of fire?

200 rounds per minute

8

M240 - How many rounds per minute are fired during a cyclic rate of fire?

650-950 rounds per minute

9

The M240 is fired, unloaded and cleared from what position?

The open bolt position

10

What is the cycle of operations for the M240?

feeding, chambering, locking, firing, unlocking, extracting, ejecting, cocking

11

What MM of ammunition does the M240 use?

7.62mm

12

What type of headspace does the M240 have?

A fixed head space

13

Why does the M240 have a fixed head space?

It permits rapid changing of barrels

14

What is the bore of a M240's barrel plated with? Why?

chromium-plated to reduce wear.

15

What are characteristics of the M240?

Belt fed, air cooled, gas operated, fully automatic machine gun

16

M240 - What is considered a "Hot Gun"?

When 200 or more rounds have been fired within a 2 min period

17

M240 - How long should let a "Hot Gun's" barrel cool for?

15 mins or to ambient temperature (which ever comes first)

18

How many barrels is each M240 issued with?

Two

19

What are the 4 different versions of the M240?

M240, M240B, M240D, M240H

20

M240 - What must be done with the safety before the blot can be pulled to the rear?

Place safety in the fire position

21

What is the most common versions of the M240 used in the Coast Guard?

The M240B

22

M240 Misfire Procedure - Bolt fully closed.

wait 3 seconds then charge gun while viewing the ejection port.

23

M240 Misfire Procedure - Bolt Partially open

Charge weapon within 10 seconds while viewing the ejection port.

24

M240 Cold Gun misfire procedure

raise cover, remove ammunition belt, check chamber and receiver, bore report