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17 Cards in this Set
- Front
- Back
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M240
what are the 8 major assemblies? |
barrel (and extension)
spade grip and buffer assy. driving spring rod assy. bolt and operating rod assembly rod assembly trigger housing assembly cover assembly feed tray receiver assembly |
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M240
gun weight |
25.6 lb
51.5 lb (empty with all the bells and whistles) |
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100 rds of 7.62 weighs
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6.4 lbs
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M240
total gun length |
42.3
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Describe the M-240D.
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B-A-G
The M240D is a belt fed, air cooled, gas operated automatic machine gun, fired from the open bolt position to provide medium range suppressive fire. |
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M240
Caliber |
7.62 /30 caliber
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M240
Maximum range |
3725 meters
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M240
Max effective range. |
1200 meters
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M240
Muzzle velocity |
2750 feet per second
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M240
Tracer burn out. |
900 meters
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M240
What is the sustained rate of fire, and what is the burst limit? |
100 rounds per min with 4-5 seconds between bursts
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M240
What is the rapid rate of fire and burst limits? |
200 rounds per min with 2-3 seconds between bursts.
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M240
What is the cyclic rate? |
650-950 rounds per minute depending on the gas plug setting.
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Name the cycle of operation of the M 240D.
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Feeding
Chambering Locking Firing Unlocking Extracting Ejecting Cocking |
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M240
How many clicks indicate that the barrel is locked into the receiver? |
2-7
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If the M 240 is used for egress and ground fire, how often must you change barrels for sustained, rapid and cyclic rates of fire?
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Sustained: change every 10 min
Rapid: every 2 min Cyclic: every minute If firing continuously, change every 200 rounds |
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M240
charge the weapon with the safety _________. |
off. always charge on fire
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