This website is not affiliated with the U.S. government or military. All proceeds from the operation of this site are donated to veteran and other charities.

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.


Important Information: We strive to provide information on this website that is accurate, complete and timely, but we make no guarantees about the information, the selection of schools, school accreditation status, the availability of or eligibility for financial aid, employment opportunities or education or salary outcomes. Visit here for important information on these topics.