M2 .50 Cal

Board Questions

These Questions Come From

TC 3-22.50

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Private-Level Questions

M2 .50 Cal

Promotion Board Question #

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PVT

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What type of machine gun is the M2?

A heavy machine gun.

M2 .50 Cal

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PVT

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What caliber is the M2?

50 caliber.

M2 .50 Cal

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How is the M2 cooled?

Through radiation, conduction, and convection.

M2 .50 Cal

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How is the M2 fed?

Link belt.

Private Second Class-Level Questions

M2 .50 Cal

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PV2

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What is the maximum effective range on a point target with single shot?

1,500 meters.

M2 .50 Cal

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What is the maximum effective range on an area target?

1,830 meters.

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What is the green weapon safety status for the M2?

No ammo in the feedway, bolt latch on single-shot, t-slot empty, chamber empty, bolt forward, safety on.

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What is the amber weapon safety status for the M2?

Ammunition in the feedway, t-slot empty, chamber empty, bolt forward, safety on.

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PV2

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What is the red weapon safety status for the M2?

A round in the chamber, bolt forward, safety on.

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PV2

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What is the black weapon safety status for the M2?

A round in the chamber, bolt forward, safety off.

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What is a cone of fire?

The group of trajectories of rounds fired in a burst.

Private First Class-Level Questions

M2 .50 Cal

Promotion Board Question #

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PFC

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What TC covers the M2?

TC 3-22.50.

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PFC

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What is the maximum range of the M2?

7,400 yards.

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PFC

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What range is the ironsight leaf sight on the M2 set at?

100 to 2600 yards.

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PFC

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What are the major components of the M2?

The barrel assembly, the backplate assembly, the drive spring assembly, the bolt assembly, the barrel extension assembly.

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PFC

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How many lands and grooves does the M2 have?

Eight

M2 .50 Cal

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PFC

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What is the twist of the M2 barrel?

One turn every 15 inches, right hand.

Specialist-Level Questions

M2 .50 Cal

Promotion Board Question #

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SPC

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Describe the M2.

Belt-fed, recoil-operated, air-cooled, crew-served machine gun.

M2 .50 Cal

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SPC

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What is the weight of the M2?

84 pounds.

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What is the barrel length of the M2?

45 inches.

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SPC

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What is the total length of the M2?

65 inches.

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What is the muzzle velocity of the M2?

3,050 feet per second.

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What is the sustained rate of fire for the M2?

Less than 40 rounds per minute.

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SPC

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What is the beaten zone?

The elliptical pattern formed on the ground or target area by the cone of fire.

M2 .50 Cal

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SPC

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What is the rapid rate of fire for the M2?

Between 40 rounds per minute and 450 rounds per minute.

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SPC

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What is the cyclic rate of fire for the M2?

450 to 600 rounds per minute.

M2 .50 Cal

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SPC

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What are the main differences between the M2 and M2A1?

The M2A1 has fixed headspace and timing, a flash suppressor, and a quick-change barrel.

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