Heavy Machine Guns

Question 1

What is the range of the M2?

Answer 1

Max - 7400 m
Max effective - 1830 m
Grazing - 700 m

Question 2

What constitutes a hot barrel?

Answer 2

150 round or more in 2 mins or less

Question 3

What are the rates of fire for the M2?

Answer 3

Sustained - Less than 40 rounds per min.
Rapid - 40 or more rpm
Cyclic - 450-550 rpm

Question 4

What are the weapons conditions for the M2

Answer 4

Condition 1 - Bolt to the rear, round in chamber (full load).
Condition 2 - Bolt forward on an empty chamber,rounds all the way against the cartridge stop (half load).
Condition 3 - Bolt forward on an empty chamber, • Rounds inserted and held in place by the belt feeding pawl.
Condition 4 - Bolt forward on an empty chamber, no source of ammo

Question 5

What position should the bolt be before unscrewing the barrel?

Answer 5

Retracted until the barrel-locking-spring lug is centered in the 3/8-inch hole on the right side of the receiver.

Question 6

When checking for headspace and timing, what must be done first?

Answer 6

Headspace

Question 7

How many mils of traverse are on the traversing bar?

Answer 7

800 (400 on each side)

Question 8

What is the max range of the Mk19?

Answer 8

Max effective - 1500

Max range - 2212

Question 9

What are the rates of fire for the Mk19?

Answer 9

Rapid - 60 rpm
Sustained - 40 rpm
Cyclic - 325-375 rpm

Question 10

What are the weapons conditions for the MK19?

Answer 10

Condition 1 - Bolt to the rear, ammo on faceplate, weapon on SAFE
Condition 2 - Bolt forward on an empty chamber, round is up against the round positioning block and grasped by the bolt extractors.
Condition 3 - Bolt forward on an empty chamber, • Rounds inserted and held in place by the secondary positioning pawls, weapon on SAFE.
Condition 4 - Bolt forward on an empty chamber, no ammo, weapon on SAFE