M249 Flashcards

1
Q

What FM covers the M249?

A

FM 3-22.68

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2
Q

What are some characteristics of the M249?

A
  • Gas-operated
  • Air-cooled
  • Belt or magazine-fed
  • Automatic weapon that fires from the open-bolt position
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3
Q

What does SAW stands for?

A

Squad Automatic Weapon

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4
Q

What are two (2) unique features of the M249?

A
  • It has a regulator to change the rate of fire

- Fed by M16 magazines or belt fed

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5
Q

When do M249 gunners only use a 20- or 30-round M16 rifle magazine?

A

Only in emergencies because this increases the chance of stoppages, also accuracy is degraded

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6
Q

What is the M249’s maximum range?

A

3600 meters

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7
Q

What is the M249’s maximum effective range with tripod and T+E?

A

1,000 meters

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8
Q

What is the M249’s maximum range against an area target for both tripod & bipod?

A

Tripod –1000 meters

Bipod – 800 meters

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9
Q

What is the maximum range of the M249 against a point target for both tripod & bipod?

A

Tripod –800 meters

Bipod –600 meters

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10
Q

What is the weight of the M249?

A

16.41 pounds

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11
Q

What is the basic load of ammunition for the M249?

A

1000 rounds (in 200 round drums, weighing 6.92 pounds)

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12
Q

What is the length of the M249?

A

40.87 inches

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13
Q

What are the rates of fire for the M249?

A

(a) Sustained rate is 100 rpm
(b) Rapid rate is 200 rounds per minute
(c) Cyclic rate is 650 to 850 rpm

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14
Q

From what bolt position is the M249 is loaded, fired, unloaded, and cleared?

A

The open bolt position

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15
Q

What are the steps to the Cycle of functioning for the M249?

A
  • Feeding
  • Chambering
  • Locking
  • Firing
  • Unlocking
  • Extracting
  • Cocking
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16
Q

What are three (3) assault firing positions used with the M249?

A
  • Shoulder
  • Hip
  • Underarm
17
Q

What ammunition is used in the M249?

A
  • 5.56 mm ball (M885)
  • 5.56 tracer (M856)
  • Blank (M200)
  • Dummy (M199)
18
Q

What is the combat mix of the M249 ammunition?

A

4:1 ball to tracer