Perform a Function Check on the M249 Machine Gun

A function check must be performed to ensure that the M249 machine gun has been assembled correctly.

The procedures for performing a function check on a M249 Machine Gun, in order, are as follows:

a. Grasp the cocking handle with the right hand, palm up, and pull the bolt to the rear, locking it in place.

b. While continuing to hold the resistance on the cocking handle, use the left hand to move the safety to the SAFE position.

c. Push the cocking handle forward into the forward lock position.

d. Pull the trigger (The weapon should not fire).

e. Grasp the cocking handle with the right hand, palm up, and pull and hold it to the rear.

f. Move the safety to the FIRE position.

g. While continuing to hold resistance on the cocking handle, use the left hand to pull the trigger and ease the bolt forward to prevent it from slamming into the chamber area and damaging the face of the bolt.

h. If the weapon fails the function check, check for missing parts or repeat the reassembly procedures. Before disassembling the weapon, make sure it is positioned where the guide rod and spring cannot cause bodily harm if the bolt is locked to the rear. The cover and feed mechanism assembly can be closed with the bolt in either the forward or the rearward position.

CAUTION: Ease the bolt forward to prevent damage to the hardened surfaces on the bolt, barrel, and so forth.

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