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Perform a Function Check on the M240B Machine Gun

The gunner must perform a function check to ensure that the M240B is correctly assemble

The procedures for a Function Check on the M240B, in order, are:

a. Places the safety on “F.”

b. Pulls the cocking handle to the rear, locking the bolt to the rear of the receiver.

c. Returns the cocking handle to the forward position.

d. Places the safety on “S,” and closes the cover.

e. Pulls the trigger. (Bolt should not go forward).

f. Places the safety on “F.”

g. Pulls the cocking handle to the rear, pulls the trigger, and rides the bolt forward.

h. Closes the ejection port cover.

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