M240 Flashcards
How much does the M240 weigh?
26.7 lbs
What is the lenght of the M240?
49 in
What is the max range of the M240?
3,725 meters
What is the max effective range of the M240?
1,100 meters
What are the three rates of fire of the M240?
Sustained, Rapid, Cyclic
M240 - How many rounds per minute are fired during a sustained rate of fire?
100 rounds per minute
M240 - How many rounds per minute are fired during a rapid rate of fire?
200 rounds per minute
M240 - How many rounds per minute are fired during a cyclic rate of fire?
650-950 rounds per minute
The M240 is fired, unloaded and cleared from what position?
The open bolt position
What is the cycle of operations for the M240?
feeding, chambering, locking, firing, unlocking, extracting, ejecting, cocking
What MM of ammunition does the M240 use?
7.62mm
What type of headspace does the M240 have?
A fixed head space
Why does the M240 have a fixed head space?
It permits rapid changing of barrels
What is the bore of a M240’s barrel plated with? Why?
chromium-plated to reduce wear.
What are characteristics of the M240?
Belt fed, air cooled, gas operated, fully automatic machine gun
M240 - What is considered a “Hot Gun”?
When 200 or more rounds have been fired within a 2 min period
M240 - How long should let a “Hot Gun’s” barrel cool for?
15 mins or to ambient temperature (which ever comes first)
How many barrels is each M240 issued with?
Two
What are the 4 different versions of the M240?
M240, M240B, M240D, M240H
M240 - What must be done with the safety before the blot can be pulled to the rear?
Place safety in the fire position
What is the most common versions of the M240 used in the Coast Guard?
The M240B
M240 Misfire Procedure - Bolt fully closed.
wait 3 seconds then charge gun while viewing the ejection port.
M240 Misfire Procedure - Bolt Partially open
Charge weapon within 10 seconds while viewing the ejection port.
M240 Cold Gun misfire procedure
raise cover, remove ammunition belt, check chamber and receiver, bore report
