Caution

Damage may occur if excessive force is used to release takedown pin or pivot pin. Use hand pressure ONLY.

Release takedown pins and open and separate receivers Hand check compensator

(1) for looseness on barrel

(2), then hand check barrel (2) for looseness on upper receiver (3). Check center slot of compensator for alignment (p 2-50). If compensator or barrel is loose, evacuate to support maintenance

Check gas tube (4), forward assist assembly (5), and rear sight assembly (6) for damage, The rear sight spring should retain the rear sight assembly (6) In either position with firmness SH - If damaged, evacuate to support maintenance.

Compensator or barrel is loose

PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M16A2 RIFLE (CONT)

Item

Interval

Item to be

Not Fully Mission

No.

Checked or

Procedure

Capable if:

Serviced

4

Quarterly

Upper receiver

NOTE

(cont)

and barrel as

If front or rear sight

sembly (service

is moved, return to

ability check)

original position

(cont)

Check front sight post, de

Charging handle

tent, and spring (7) for dam

(8) is defective.

age and corrosion Clean

and lubricate Check charg

ing handle (8) and election

port cover (9) for defects

and proper function Check

sling swivel (10) and rivet

(11) for damage and proper

function SH Other corn

ponents are defective, re

place as necessary.

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