Cover and Feed Mechanism Assembly shown removed for clarity

M249 Cocking Handle
NEW STYLE COCKING HANDLE STOP

14. Inspect Receiver Assembly (2) for presence of exterior protective finish. If more than 1/3 of the exterior finish is missing, resulting in an unprotected, light reflecting surface, notify Direct Support Maintenance.

15. If the receiver is suspected of being bent or the moving parts bind when charging and clearing the weapon, or cracks exist, notify Direct Support Maintenance.

DISASSEM BLY/INSPECTION/REPAIR (Cont)

16. Drive out two Spring Pins (16) and discard. Remove Tripod Retaining Pin (17) from Receiver (2).

17. Inspect Tripod Retaining Pin (17) for bends or burrs and replace if damaged.

17. Inspect Tripod Retaining Pin (17) for bends or burrs and replace if damaged.

M249 Drive Spring

REASSEMBLY

1. Install Tripod Retaining Pin (17) into Receiver (2) and drive in two NEW Spring Pins (16) to protrude equally both sides of Tripod Retaining Pin (7).

2. Install Retaining Clip (9) on left side flange of Receiver (2) with square end to the front of the receiver.

3. Install Headless, Grooved Pin (8) from left side of Receiver (2).

WHEN THE RETAINING CLIP (5) DOES NOT POSITIVELY RETAIN HEADLESS, GROOVED PIN (8) IN BOTH NOTCHES OR IT IS MISSING, THE HEADLESS, GROOVED PIN (8) CAN WORK OUT DURING USE. IF THE HEADLESS, GROOVED PIN (8) WORKS COMPLETELY OUT, THE TRIGGER MECHANISM CAN SEPARATE FROM THE WEAPON. SEPARATION OF THE TRIGGER MECHANISM, WHEN THE WEAPON IS IN USE (LOADED), WILL CREATE A RUNAWAY.

4. Insert Retaining Clip (5) between outside of flange of Receiver (2) and inside of Retaining Clip (9) and install into first notch of Headless, Grooved Pin (8).

5. Install Headed Grooved Pin (7) from left-side of Receiver (2).

6. Insert Retaining Clip (6) between receiver side wall and rail extension on left side of Receiver (2) and install into first notch on Headed Grooved Pin (7).

7. Position Ejector (3) with cartridge ejector end to the right and insert Grooved Pin (4) from the rear side of the

7. Position Ejector (3) with cartridge ejector end to the right and insert Grooved Pin (4) from the rear side of the

M249 Firing PinM249 Ejector

8. Position NEW Retaining Clip (1) with hooked leg up and to the right. Snap Retaining Clip (1) into notch of Ejector Pin (4).

Machine Gun Mechanism

9. Position cartridge ejector end of Ejector (3) to the front of the receiver and position hooked end of Retaining Clip (1) behind Ejector (3).

M249 Ejector
10. Install Ejector Pin (4) into hole in left side of receiver and compress short leg of Retaining Clip (1) and install in receiver recess of Receiver (2).
M249 Ejector

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